Who Is the Survivor?

A mysterious invitation, the lure of an enormous cash prize, and a group of participants, each with their own agenda, gathered together, only to discover that they had all gained superhuman abilities. Some want to uncover the truth, some are burdened with enormous debts, some harbor evil intentions, and some got involved by accident. Yet in this contest of human nature, they all gradually lose themselves. The mastermind is among them too. What is their real purpose?