A tribe member makes a bold move that throws allegiances into question.
As the contestants are divided into teams -- men versus women -- they learn that they must share one beach; true colors are revealed during a competitive immunity challenge.
A new tribe emerges; a performance by two castaways shakes up their entire tribe.
A tribe member is confronted about her appearance; all sense of security is eradicated in the Tikiano tribe.
The castaways compete in an immunity challenge; misfits join together under an unlikely leader.