Dwayne "The Rock" Johnson welcomes nine strangers as they move into an upscale Panamanian penthouse together, each with hopes of being crowned "The Hero." With up to a million dollars at stake, the contestants quickly realize that this will be no ordinary contest, as they must climb and hang from skyscrapers, navigate dark underground bunkers and face tough moral dilemmas. In the end, there can only be one hero, and America will vote on the winner. In the War Room, a sudden change of heart shocks the group. Dwayne "The Rock" Johnson serves as mentor and motivator to the contestants.