An FBI agent's family is taken hostage while she's on a flight to Washington, D.C., where she's forced to make a decision that jeopardizes the lives of her husband and son.

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.

On Christmas Day the Texas area to the South West of Fort Worth is struck by a massive storm system sprouting several severe tornadoes.