Sandy's past transgression, with her fiance's best friend Roman, comes back to haunt her when he becomes their best man. Roman is mentally unbalanced and determined to make Sandy his own bride.

A new breed of aggressive, ravenous sharks cracks the frozen ocean floor of an Arctic research station, devouring all who fall through. As the station sinks into frigid waters, those alive must fashion makeshift weapons or suffer the same fate.

A bank heist descends into violent chaos when one of the hostages turns out to be a serial killer. Trapping the well-organized team of bank robbers in the building, the killer is now picking them off one by one.