Aidan gives in to his instincts, Josh faces his sister; Sally is ecstatic to have roommates who can see and hear her.
A surprise guest wreaks havoc on Aidan’s life, Josh faces a familial dilemma; Danny tells the story of how Sally died.
Harvey and Donna get their first taste of how Samantha operates. Alex tries to impress Zane.
Josh makes an unexpected friend, Aidan tries to help Rebecca; Sally makes peace with Bridget and Danny.
Marcus exacts revenge in the worst way; Aidan and Rebecca get close; Sally meets a ghost with a dark side.