The fourth season finds Brian, now broke and unemployed, attempting to rebuild his life. Michael returns to Pittsburgh to fight for custody of Hunter with Ben. Justin joins a vigilante group where he discovers his buried anger. Also, as Ted progresses into his sobriety, Emmett deals with the fallout from their breakup. And Melanie and Lindsay await the birth of their second child.
After spending all his money getting Stockwell defeated, Brian is at a crossroads about his future; Michael and Hunter return home to face the custody hearing.
Brian starts his own ad agency; Ted graduates from rehab with Blake by his side; Michael and Emmett go on a retreat; Justin decides to join a gay vigilante group.
Justin finds himself risking his life with the Pink Posse; Avoiding his friends, Ted finds work as a waiter; Vic decides to move in with Rodney, leaving Debbie alone.
Justin finds Cody becoming too violent; Brian hires Ted at his new agency; Mel struggles with an important case; Hunter's social worker arrives unannounced.
Debbie feels left out of Vic's new life; Ben asks Michael for an honest opinion of his new book; Cody challenges Justin to confront his violent side.
Debbie and Vic have words over his new life, which ends in tragedy; Michael and Justin receive good news about 'Rage'; Brian is told some devastating news.
Debbie continues to be numb over Vic's death; Ted falls into old habits when Blake tries to break it off with him; Brian is diagnosed with testicular cancer.
Brian continues to keep his illness to himself; Debbie tries to re-connect with Horvath; Justin and Michael hear a pitch from a Hollywood producer about 'Rage'.
Emmett gets mixed messages from a pro-football player; Jealous over Michael's success, Ben finds sympathy from a former student; Justin discovers Brian's illness.
Brian continues to deal with radiation treatment; Ben is tempted when a former student shows interest in him; Sam and Lindsay struggle with their mutual attraction.
Brian fund-raises for the gay center; Emmett and Drew continue their affair; Sam is ready to fight for Lindsay; Ben and Michael have suspicions about Hunter.
Brian participates in the Liberty Ride; Hunter tells Callie about his status; Emmett is unsure about his affair with Drew; Mel and Lindsay contemplate a separation.
Preparations for the Liberty Ride get underway; Mel is confined to bed rest for the rest of her pregnancy; Justin is invited to Hollywood to pitch 'Rage'.
Michael and Ben have trouble crossing into the U.S. as a married couple. Ted and Emmett get lost in the woods on the way to a 12-step meeting, while Brian takes a nasty fall and breaks his collarbone. Melanie goes into labor. 'Rage' is given the green light.