A game of Sex on the Beach leads to a surprising victory, Gui worries about Marnie's loyalty to Chantelle, and a confusing web of gossip, blame and tears ruins a Shorechella party.

Melinda and Fabio's flirtatious relationship gets icy during an awkward dinner, an injury threatens to send one team to the Exile Game, and Vinny hosts a raucous talent show at the villa.