Dangerous Creatures and Horrible Setbacks

One tribe relaxes after winning a Challenge, which annoys a tribemate frustrated with the lack of a work ethic. A war of words erupts between two tribe members as one lays into the other for being bossy. Just as a Challenge is set to begin, one tribe faces a setback when a member suffers an injury. Will this affect their ability to compete? Two fearless castaways take it upon themselves to confront some deadly creatures on the island.