Ua, the tribe of only three castaways, competes to win the immunity challenge to save them from becoming a tribe of two; friendships are put to the test when castaways from different tribes take a journey together.
Castaways compete in their first individual immunity challenge in the game; Erika is on Exile Island for two days and must make the biggest decision in the game thus far.
Another big twist threatens to send someone home; castaways must decide whether to vote out the big threat or keep playing the game with people they trust.
After a dangerous season filled with new twists, only five castaways remain and must battle it out for the title of Sole Survivor and the $1 million prize.