Summary: In the hope of finding much-needed food, Barnes decides to risk strong currents and riptides on a journey by raft to a nearby island. Both camps remain resolved to live apart. But driven by desperation, Barnes invites his less wealthy neighbours on the expedition. Mercedes, already struggling with hunger and exhaustion, is unable to help around camp, placing her relationship with her teammates on a knife-edge. Her shock decision to join Barnes’ voyage has disastrous consequences.