Three kids are given the challenge of a lifetime - to be let loose in the world's greatest museum after hours to unlock the mystery behind famous artifacts. It's not going to be easy - they must race through the museum and complete complex challenges and confront visions from the past in their quest for answers. What's more the halls are patrolled by evil spirits and security guards who must be avoided at all costs! Have they got what it takes to solve the mystery? Or will they and become a part of the museum forever?