S1, E5: Cathy (Laura Linney) catches Adam (Gabriel Basso) watching porn. In pursuit of her sexiness, Cathy invites a new man into her life, Lenny (Idris Elba), the school's muralist. A rugby injury gets Paul (Oliver Platt) the attention of a female admirer, Tina (Nadia Dajani). Sean (John Benjamin Hickey) fights to save his “home” (an abandoned building) from demolition. Marlene (Phyllis Somerville) gives Sean her dead husband’s suit.