Dylan is hospitalized and Frankie is there to help; Lewis tries to regain his driver's license; Simone agrees to babysit so Charlie and Julia can have a night on the town; Frankie and Lewis make a decision about their future together.
Frankie and Lewis separate, and she moves in with Di and once again tries her hand at art; Lewis relapses and it has a scary effect; during a wild night out with Simone, Julia becomes privy to her sister's closest secret. Also, Charlie attempts to deal with living with the two sisters.
Frankie loses her license after taking the responsibility for Lewis's automobile accident, and it puts a dent in their relationship; Dylan tries his hand at Internet dating; Tom's outrageous behavior takes a toll on Billie and the family; a pesky houseguest causes problems for Charlie and Julia.
Dylan explores his newfound freedom and takes a walk on the wild side; Tess and Lewis search for their missing son and begin to develop a special bond; Tom and Billie get closer, but disagree about what they want in their relationship; Frankie finally meets her father.
Lewis thinks he might have uncovered a clever way to deal with his debts; Charlie and Julia have an uncomfortable dinner with her estranged sister, but things pick up when Tom arrives with a surprise; Dylan takes a big step toward declaring his affection for Tom; a stressed-out Caroline hits her breaking point.
A surprise run-in with her estranged sister throws Julia for a loop; the challenges of Frankie's new job prove a bit overwhelming, and she's horrified to discover the extent of Lewis's debts; Gerry makes a surprise announcement at his birthday celebration; Tom introduces Dylan to the joys of restaurants and staff parties.
Tom returns from Sydney, quickly finds a new job and engages in a new flirtation; career decisions come between Lewis and Frankie; Lewis suggests that Dylan give heterosexuality a try; Frankie begins a new job and decides to search for her father.
There's a surprise in store for Frankie and Lewis when they move into their new house; Tess and Caroline try to acclimate to their new digs in Sydney; Julia and Charlie think they have found their dream home; Tom makes a detour on his way to the U.S.