Myriam, the housekeeper and Kelly's dog are dead, and the guests discover that their only source of drinking water was poisoned; looking for an escape, they find the body of the man who invited them to the island.

Eve's lifeless body is found floating out at sea; their raft is deliberately destroyed; Xavier poisons himself while he's hunting for food; Victoria is so sure Kelly's the murderer that she tries to kill her.

Xavier dies; the survivors are at each other's throats more than ever; after discovering a CCTV control room, Victoria is savagely murdered; Malik is in love with Nina and wants to protect her, but it's growing clear no one will escape.