Her friends warn her not to go to Brendan Fear's birthday party at his family's estate on mysterious Fear Island. But Rachel Martin has a crush on Brendan and is excited to be invited. Brendan has a lot of party games planned. But one game no one planned intrudes on his party - the game of murder. As the guests start dying one by one, Rachel realizes to her horror that she and the other teenagers are trapped on the tiny island with someone who may want to kill them all.