There's panic when Sid realises that Leah is missing. The walls are closing in on Brody. Elsewhere, prom night is approaching, but Juliet can tell that there's something wrong with Brooke.

The McQueens are delighted to have Mercedes back home, but Cher isn't happy. Donna-Marie tries to prove to Romeo how well she knows him: will it go to plan? Brooke comes to a realisation.