The campers reunite with a long-lost friend, who shares an inspiring story — then reveals that Mitch, Tiff and Hap aren't who they seem. Darius must make a difficult choice to save Sammy and Yasmina.

Yaz is ready to tell Sammy the truth - but the island has other plans. A conflicted Darius worries that he's lost his way. The friends must think fast to outwit Mr. Kon and his cronies. Ben sets out ...