Two rogues appear on the island and cause trouble. The group's memories begin to return, and each one proves brutal -- including a heinous shooting.

While K.C. agonizes over the horrors of her own history, Chase and Cooper uncover a shared one. Taylor finds herself in a distasteful situation.

Donovan reverts to his old ways. K.C. and Moses bond. Chase and Cooper realize critical truths about the vision that haunts them both.

Close to freedom, Chase must first navigate prison politics, face a devious warden and endure rude awakenings.