After Angel has left Sunnydale he comes to LA. He finds out that LA is not only about stars and money. When he meets Doyle and Cordelia they decide to start a service to "protect the helpless".

Angel, with the aid of new ally Detective Kate Lockley, tracks a serial killer whose hunting ground is LA's single bars.

Oz comes to LA with a gift from Buffy. She has sent Angel the the Ring of Amara, which makes any vampire wearing it "unkill-able." Unfortunatly for Angel, Spike has also arrived in town and he's determined to get the ring for himself. Angel soon finds himself in deep trouble and it's up to Doyle, Oz and Cordy to save him.

The gang at Angel Inc. helps a stalking victim. A creepy doctor is obsessed with a former patient, somehow, he knows everything that she does. Angel begins to suspect that something supernatural is going on and investigates the doctor's past. Soon Angel, Doyle and Cordy are all in danger as they realize that the doctor is more than he seems.

Fed up with her horrible apartment, Cordy packs her bags and moves in with Angel. He's soon overwhelmed by her bossy, destructive presence and tells Doyle to find her an new place to live. Doyle's being chased by loan sharks, so he has problems of his own. Still, he locates the perfect place for Cordy and she happily signs the lease. But, there's still a slight problem... Cordelia's new apartment is haunted. And her ghostly roommate wants Cordy gone.

Kate lands in some hot water after she roughs up a prisoner named Little Tony. She and the entire police department are forced to go to sensitivity training. Unfortunatly, Little Tony's lawyers are Wolfram and Hart. They have a plan to set their client free by casting a spell on the whole police force. Soon, all the officers are expressing their true feelings and being so sensitive that lives are in danger. The gang at Angel Inc. tries to stop the chaos, but Angel quickly winds up in trouble of his own.

After saving Cordy from a vampire attack, Doyle is optimistic about his chances with her. When his estranged wife shows up at the Angel Inc. offices, though, Doyle suddenly has some explaining to do. It seems that Harry, his wife, has met someone new and she wants to finalize her divorce from Doyle. Doyle's suspicious of Harry's new fiancée. He and Angel investigate the guy and are surprised by what they find.

After Angel's secretive visit to Sunnydale, Buffy appears in Los Angeles to find out why he came to protect her. During her visit, she and Angel are both attacked by a strange demon and Angel, after being infected with the demon's blood, becomes human once again. He and Buffy spend a blissful day together, but when the demon becomes more and more persistent in its attacks, Angel comes to realize that he must sacrifice his humanity in order to protect the citizens of Los Angeles.

The gang at Angel Inc. works to save a group of demon refugees and soon find themselves in the middle of a war. An evil band of demons, called the Scourge, is in LA. They're determined to wipe out all the "impure" demons and humans that they can find. When the Scourge unleashes a deadly weapon Angel, Cordy and Doyle are faced with an impossible decision and the ramifications from it will change the them forever.

Wesley arrives in town as a "rogue demon hunter" and he's soon working with Angel on his newest case. Meanwhile, Cordy has inherited Doyle's link to the Powers That Be and she is being plagued with visions. A empath demon comes to Angel Inc. looking for help and Angel promises to investigate, but it quickly becomes clear that something strange is going on. Angel and Wes have to save Cordy before it's too late.

After learning about a new serial killer's M.O., Wesley believes that Angelus has returned.

Cordelia has a date, wakes up at home and is very pregnant. She has been impregnated by a demon.

After Cordy gets a vision from the Powers That Be, Angel finds himself fighting demons from an alternate dimension. Desperate to escape their own cruel world, where the females are used as virtual slaves, demon women are smuggling themselves to earth. Unfortunatly, the men from that dimension are out to stop them and it's up to the gang at Angel Inc. to help the refugees find safety.

One of Cordy's visions sends Angel and Wes out to help a family in trouble. An dangerous Ethros demon is possessing someone in the household. Ethros demons force their victims to commit horrible acts and the gang at Angel Inc. has to perform an exorcism. Things quickly go wrong, though, and soon everyone is in even bigger danger. Meanwhile, Wes deals with memories of his own traumatic childhood and Angel continues to miss Doyle.

Kate's father, Trevor Lockley, gets involved in a demon drug smuggling operation and he's soon in over his head. When a demon high on drugs attacks the subway, Angel begins investigating and quickly discovers Trevor's shady dealings. He tries to warn Trevor, but it's too late. When Trevor is attacked, Kate blames Angel for not doing more. Meanwhile, through flash backs, Angel's own father is introduced, Angel's past as a human is shown and Angelus is born.

When an investigation goes wrong, Angel finds himself kidnapped by a demon fight club. He's trapped there, forced to fight other demons as part of a gladiator show. Cordy and Wes search for him, desperate to rescue Angel before it's too late. Meanwhile, Angel meets another Wolfram and Hart lawyer, Lila Morgan. She promises to get Angel out of the club if he agrees to come over to Wolfram and Hart's side.

When Rebecca, a Hollywood star, is stalked by an obsessed fan, Angel steps in to protect her. Cordy is thrilled to meet a famous actress and even Angel likes Rebecca. She accepts that he's a vampire and really seems interested in getting to know him better. But, it soon becomes clear that the case is more complicated than it seems and Rebecca has a dangerous plan of her own.

This episode brings Faith to LA. She's still struggling with her darkness and fleeing her life in Sunnydale. After Angel ruins another Wolfram and Hart case, they set out to get rid of him once and for all. And who better to do the job than Faith, a rouge Vampire Slayer? They hire her to kill Angel, unaware that Angel identifies with Faith's pain. Meanwhile, Faith is driven by self-hatred and is careening out of control as she goes after Angel and his friends.

The second half of Faith's appearance in LA has her bonding with Angel. She's utterly drained and has no more fight left in her. Angel takes her in and become her redemption "sponser." He promises to help her find a way to forgive herself and start over. But, there are still a lot of problems to overcome. Wes and Cordy aren't too happy that Angel's forgiven Faith. The Watcher's Council goons are still after Faith. Lila, Lindsey and Lee are hiring another assassin. Kate wants to arrest Angel. And, oh yeah, Buffy's on her way to LA looking for payback on Faith. In the end, it's up to Faith to choose a new path and save herself.

A case sends Angel into a rough part of town. While he's there he meets up with a young group of vampire hunters, headed by a guy name Gunn. Angel is concerned that the kids are in over their heads as they battle vamps. He tries to help them, but they aren't willing to believe that he's one of the White Hats. Gunn and his friends are soon in big trouble and it's up to the gang from Angel Inc. to lend a hand before it's too late.

When Wolfram and Hart plots to kill three mystical children, Lindsey begins to question his loyalties. He's willing to be evil, but he's not willing to murder kids. He goes to Angel for help. Along with Gunn, they devise a plan to break into Wolfram and Hart and steal the discs they'll need to save the children. While Angel is in Wolfram and Hart's vault, though, he finds a mysterious scroll that holds some interesting information about his destiny. Meanwhile, Lindsey had to choose a side once and for all.

In the season one finale, Angel Inc. is facing it's biggest challenges ever. A demon attacks Cordy and Wes, leaving Angel worried and desperate to protect them. Plus, Angel's home is targeted, Kate's threatening to arrest him, and the Shanshu Prophesy might have some bad news about his future. To make matters worse, Wolfram and Hart is conducting a mystical ritual to "raise" something that might destroy Angel once and for all. He'll have to work hard if he's going to save Cordy and stop Wolfram and Hart's newest plot.

Wesley is searching for the translation of the Scrolls of Aberjian and the prophecy of the "vampire with a soul." He is finding the process difficult as the scrolls are over 4,000 years old and translated into a dozen languages. Unfortunately, when Wesley does realize what the pivotal word, "shanshu" means, he must tell Angel that the prophecy means the vampire with a soul will die. Angel greets this news with an uninterested shrug. Wesley and Cordy believe Angel's non-reaction is a result of not living, growing and changing as the rest of the world does. The gang discovers that Lindsey has been promoted to Jr. Partner at Wolfram and Hart. He made his choice to stay with the dark side. Meanwhile, the folks at W&H are conjuring up a demon who has come to separate Angel and the "Powers That Be." This of course, means separating Angel from his friends as well as the Oracles. The next day, as Cordy walks through a flea-market, the same demon brushes up against her. She's hit with a vision