Ryan Carter arrives at the Number Nine Museum seeking the night guard job that pays a thousand dollars per shift, desperate to avoid homelessness due to heavy debts. Despite warnings about the museum's curse and the fate of previous guards, Ryan insists on taking the job. He discovers the guard contract is sealed within the museum bounds and binding from midnight to dawn, with a life-threatening penalty for early departure. As his shift begins, he is warned to strictly follow the rules if he hopes to survive the night, setting a tense and uncertain challenge ahead.