After learning of Noel's marriage, Richard organizes an intervention in the hopes of convincing him to leave Natalie. Noel is offended, and orders his friends to stay away from him. Felicity visits his apartment to apologize. She says that it is difficult to deal with how much he has changed, and recalls all his goals for the future. However, she gives her blessing and organizes a party for the couple. Natalie finds one of Richard's fliers about the intervention and storms out. Noel realizes that he must divorce Natalie and resume his life. When Natalie comes home and learns his plans, she punches him in the eye. Sean offers to let Noel move into the loft. Natalie apologizes and agrees to the annulment, but she and Noel end up having sex. Ben's father comes to town, seeking to make amends as part of a twelve-step program. He invites Ben and Felicity to a Yankees game, but never shows up. Julie refuses to answer questions about her father. Elena tells Finn that she doesn't

Ben's mother calls and tells him that his father has been missing for several days. She asks him to file a missing persons report. Ben refuses to open up to Felicity, who hears about the situation from Julie. An angry Ben insists that he will not help look for his father; this is not the first time he has disappeared, and Ben is tired of dealing with him. Julie goes behind his back to file a police report, and learns that Mr. Covington is being hospitalized with alcohol poisoning. Julie explains that she feared Ben would not be able to live with the consequences if something happened to his father. Ben is furious with Julie, while Felicity tries to comfort her about her birth father. Julie finally blows up and reveals that she was a match for her father, but lied about it and did nothing to help him. Ben visits his dad in the hospital; he recovers and prepares to go home. Ben and Felicity return to her apartment to find that Julie has moved out. She left behind a videotape in which she

After learning of Ben's injuries, Mr. Covington returns to town with the hopes of reconciling with his son. He seeks Felicity's help after Ben refuses to see him. Mr. Covington breaks down in tears as he describes the way his life has crumbled. When Felicity tries to comfort him, he kisses her. Ben begins to warm to his father, until he notes Felicity's discomfort and realizes that something happened. Mr. Covington confesses, and Ben orders him to leave. Felicity encourages Ben to attend Al-Anon meetings to deal with his feelings about his father. He is surprised to see Molly at a meeting. Sean devotes himself to the Jewish faith to fulfill a promise he made to God before his surgery. He breaks up with Meghan for refusing to convert to Judaism. His hospital roommate, a rabbi, convinces him that he has made a mistake. After Dr. McGrath is accused of sexual harassment, a list circulates with the names of students he dated--including Elena. Tracy confronts her, but quickly gets over it. W

Ben learns that his father is being hospitalized with liver failure. He reluctantly goes to the hospital and meets Lauren, a friend of Mr. Covington's from A.A. She tells Ben that his father does not have long to live. Mr. Covington gives Ben power of attorney, and declares that he does not want to be hooked up to machines. He also insists that he will not take any pain medication because he has been sober for 67 days and does not want to use drugs of any kind. Ben postpones a ski trip that he and Felicity had planned for her birthday after his father's condition worsens. Ben is surprised to learn that Mr. Covington was very helpful to Lauren when he served as her sponsor. She says that his dad talks about Ben all the time. Ben goes against his father's wishes and puts him on a ventilator because there is a slim chance that he could regain enough strength to undergo a transplant. Felicity suspects that Professor Cavallo is coming on to her. He denies this, but she grows uneas

Ben refuses to talk to Felicity, and will only go near her to retrieve his belongings. Felicity drops by the loft in the middle of the night to leave him a note. Ben's mother flies in to visit his dad. She announces that Mr. Covington has shown enough improvement to be placed on the transplant list again. Ben is stunned to learn that his parents are getting back together. He is not angry, but worries that his father will continue to hurt his mother. Meghan comforts a devastated Felicity, and assures her that she and Ben belong together. Meghan lashes out at Ben for not even listening to Felicity's apology. Sean takes Meghan's support of Felicity as a sign that she has no problem with cheating, but she reminds Sean that the situation has nothing to do with their marriage. Ben meets Felicity at a restaurant, but becomes uncomfortable as she tries to explain what happened with Noel. He runs out. He tells Sean that he wants to forgive Felicity, but just can't bring himself to do

Felicity is confused when Ben begins dropping by her apartment frequently. However, he is not ready to get back together. Mrs. Covington is a match for her husband, but he refuses to let her donate part of her liver. Mr. Covington urges Ben to consider forgiving Felicity, as he feels that love is the only thing that really matters. Felicity plans to fly home for Christmas vacation. Another match is found for Mr. Covington. Ben tries to talk to Felicity, but she has already left for the airport. A snowstorm delays her flight, so Ben catches up to her. They enjoy a blissful reunion, and Felicity stays in New York. Unfortunately, the snow prevents the liver for Ben's father from being flown in from Philadelphia. With Mr. Covington unconscious, Ben has power of attorney. He must decide whether to let his mother be a donor. He fears that his father will fall back into his abusive behavior patterns. He talks with Felicity about the need for second chances, and agrees to sign off

Mr. Covington learns of Lauren's pregnancy and criticizes the absentee father, unaware that it is Ben. When Ben tells him the truth, Mr. Covington tries to convince him to change his mind and be a part of the child's life. He even claims that his despair over Ben's choice has made him want to drink. Ben is furious at his father for manipulating him. Felicity has trouble dealing with the situation and avoids Ben. Ben and Trevor sign up for the Big Brother program in the hopes of improving their credentials for med school applications. After Felicity expresses an interest in architecture, Noel recommends that she help his friend Adam with a project. Adam spends most of the time whining about his ex-girlfriend. He tries to kiss Felicity at a party at the girls' dorm room. Meghan grows bored with life with Sean, while he becomes fed up with her insistence on criticizing his ideas. After a girl from the coffee stand compliments one of his potential inventions, Sean invites her to