Seven girls become good friends in high school, then events pull them apart for 25 years. When one of the friends lies dying in a hospital, she wishes to see each of them one last time.
Due to a massive car accident and a twist of fate, passengers on four cars find out the answer to the final multimillion-dollar question in an upcoming episode of The Quiz Show. Everyone rushes to compete, their only challenge is to get to that final question.
A grisly murder occurs on the small remote island known as Paradise. After a night of gambling, two of the players are found mutilated. Deok-Su, the missing third player, quickly becomes the suspect. As the 17 residents of Paradise Island try to stay calm, suspicion grows that perhaps there was someone else involved in the grisly murders.