Aadi throws a midsummer bash at Number Seven, but Amy's hurtful words and Brody's illicit drugs lead to an experiment that has alarming consequences for more than one partygoer.

Roy encourages Nina to tell the police all she can remember, Ronnie begs Debbie to take him back, Maria hears from Gary, Steve resolves to be open about his relationship with Cassie, and Todd finds pregnant Millie drinking alcohol.