To improve relations with Milla (Brynn Lucas), his estranged daughter, renowned jewel thief Kennedy Kaludes (Laci Szabo) takes her to an art museum to break the ice. But their visit turns harrowing when robbers commandeer the place for a heist; to protect Milla, Kennedy locks her in a vault where the criminals can't get her. But the moment the doors shut, the clock starts ticking … leaving him scant hours to save her before the oxygen runs out.