Charlie and Kate try to control their sexual urges as they begin work together on their sex study; Lacey starts a new job as a pharmaceutical rep.
When the gang accepts a new person into the group, they learn how delicate their friendships really are.
Nancy struggles to fit into the ranks at the halfway house; Jill drops a bombshell; Andy and Shane find a place to live; Silas scores a modeling gig; Doug is…
