Kyle experiences nightmares about Christine, a lover who died in the Gulf War. Taylor snoops through Kyle's foot locker after Amanda asks her about Christine. Peter warns Kyle that Amanda is trying to have herself transferred to a rehab hospital. Kyle and Amanda get engaged. Taylor calls Nick in search of information about Christine, but he refuses to help. Bob threatens to go to the police unless Peter breaks up with Lexi. Peter pretends that he still has a thing for Amanda, and Lexi slaps him. Lexi manipulates Bob into clearing her of all charges, then reveals that she and Peter had only pretended to break up. They pay off Bob. Lexi's father arrives, and instantly dislikes Peter. Megan and Jen are wary of Michael's relationship with Amber. Amber breaks up with Michael after he insults her, but later agrees to move in with him.

Taylor visits Nick in Dallas. Even after they sleep together, he is unwilling to tell her anything about Christine. She convinces him to help her break up Kyle and Amanda by telling him about the jazz club (which Nick had always dreamed of opening with Kyle), and how pathetic Kyle has become. Nick says that Christine didn't immediately die of her injuries, but convinced him to tell Kyle she was dead so that he would move on. Michael is ousted from the practice after Amber gets drunk and embarrasses him at a company function. Megan breaks up with Brett, who had provided Amber with the liquor. Michael throws Amber out, and she responds by cleaning out his house. Lexi's father continues to put down Peter and compare him to Brett. He gives Lexi a job managing one of his companies. Billy and Samantha try to convince a hot baseball prospect named Jeff Baylor to become a spokesman for one of their clients. Jennifer learns that Craig has instituted potentially deadly cost-cutting moves at the

Jennifer warns Michael that their mother, Mia, is coming for a visit. Jen has given her the impression that she is engaged to Craig. Michael is arrested for causing a scene at the strip club while searching for Amber. Jennifer is forced to turn to Mia for bail money. Mia mistakenly believes that Billy is Craig, but he refuses to play along. The police inform Jennifer that Craig has killed himself. Billy becomes depressed by the connection between Samantha and Jeff. He gets drunk, and agrees to pose as Craig. Jeff kisses Samantha, and Billy and Jen lock lips after he gets a little too caught up in the charade. Taylor tells Kyle that Christine is alive, and gives him a letter that Christine had supposedly written to him back in Boston. Amanda convinces Kyle to visit Christine in New Mexico, and he asks her to tag along. Sterling makes Lexi and Brett business partners.

Christine tells Kyle to move on with his life. She declines Amanda's wedding invitation, but later has a change of heart and comes to Los Angeles. Peter shows up in Sterling's hotel room with a tape recorder in the hopes of proving that Sterling is to blame for their rift. Lexi's father collapses during the argument and later dies. Megan is jealous when Brett comforts Lexi. A gunshot victim named Spider convinces Michael that he can get rich by starting a clinic in the man's neighborhood. Michael persuades his family to invest money in the venture. Billy continues to pose as Craig, but Jennifer is forced to tell Mia the ""truth"" after she catches Billy with Samantha.

Kyle does not show for the wedding after discovering a suicide note from Christine. He finds her car parked on the railroad tracks, and pulls her to safety. Amanda postpones the ceremony until Kyle has resolved the situation. Christine receives a special visit from Nick in the hospital. Lexi refuses to speak to Peter after hearing the recording of his argument with her father. Spider agrees to provide Michael with ""protection"" if he treats his injured friends without reporting them to the authorities. Jennifer offers Billy a sympathetic ear, and advises Sam to escalate her flirtation with Jeff.

Christine tries to back out of Nick's scam because she doesn't feel Kyle deserves such treatment. Taylor threatens her when she tries to leave town. Peter proves that he is not responsible for the death of Lexi's father, as Sterling had a pre-existing medical condition. Lexi still refuses to take him back. Brett fears that he is losing Megan to Michael. He asks Megan to move in with him. Brett learns he will inherit ten million dollars from Sterling if he remarries Lexi within a year. Billy works on a campaign for a dance studio. He tries to shake Jennifer of her romantic notions about ballroom dancing by taking her to a lesson. Samantha agonizes over the fact that Jeff is about to leave for spring training. She follows Jennifer's advice by sleeping with him. Billy dances with Jennifer after the dance studio's photo shoot, and they end up kissing.

Taylor and Nick order Christine to display signs of suicidal behavior so that Peter will check her into the hospital. However, Peter suggests that Kyle stay away from Christine, and orders him to marry Amanda. Taylor forces Christine to write a letter claiming that she slept with Kyle. Amanda realizes that Christine is lying, and dares her to kill herself. Nick and Taylor bust Christine out of the hospital in the hopes of breaking up the wedding. Christine escapes from the duo, and says that she will tell Kyle and Amanda that she is an impostor. Nick accidentally trips her. She hits her head on the bumper of Kyle's car and is killed instantly. Jeff refuses to report to spring training after Sam rejects him. When he suffers a serious knee injury and comes home, a guilt-ridden Samantha returns to him. The attraction between Billy and Jennifer continues to grow. Spider is killed in a shootout, and leaves Michael a key to a locker filled with cash. Megan talks Michael into donating the mon

Nick and a panicked Taylor send Amanda a note at the hotel where she and Kyle are honeymooning and lead her to believe that Christine is going to commit suicide. They leave ""Christine""'s body on the train tracks, and Kyle and Amanda arrive in time to see her hit by the train. Amanda is wracked with guilt, and pushes Kyle away. Nick tells Taylor that the Christine impostor was Tiffany Hart, a former lover who had been injured in a car accident with a drunken Nick behind the wheel. Nick fears that Taylor is going to turn herself in, so he tries to kill her. He is interrupted by Michael, who treats Taylor at his clinic. He convinces Nick that Taylor has died. Samantha asks Jennifer to accompany Billy to an awards dinner so that she can have a getaway with Jeff. Jennifer and Billy sleep together after the dinner. Brett tells Peter about the inheritance, and suggests that Peter help eliminate temptation by reuniting with Lexi. Lexi admits that she misses Peter and takes him back.