Aidan resurfaces to find the vampire community has changed greatly; Sally struggles to free herself from limbo; Josh and Nora stand up to Ray.

Sally flirts with an old acquaintance; Aidan searches for blood; Josh considers taking his relationship with Nora further.

Nora and Josh meet a teenage runaway; Sally tries to make things right with Troy; Aidan and Henry search for clean blood.

Sally reaches out to Aidan; Josh helps Aidan locate untainted blood.

Liam tries to pit Josh and Nora against Aidan; Sally gets closer with Max; Kenny suspects that Aidan may be a vampire.

Sally tries to make things right after she encounters someone from her past; Kenny spurs Aidan's memories.

Josh reconnects with Emily; Aidan's blood supply is jeopardized; Sally gets in touch with a friend from her past.

Liam returns with an agenda for Aidan; Sally tries to figure out what's wrong with her body; Nick hides a secret.

Aidan remembers his wife; Sally struggles with a hunger that she hasn't felt before; Josh and Nora meet an older wolf.

Stevie asks Sally to kill him; and Aidan takes Kat out on a date, during which he's overwhelmed by memories of his wife and son.

Josh and Nora search for Donna; Aidan breaks Kenny out of the hospital.

Josh, Aidan, and Sally battle Donna. Kenny wakes up -- but things don't go as expected.