Bait (2012)

A freak tsunami hits a coastal town in Queensland, Australia. The massive wave completely floods an underground grocery store, trapping a group of shoppers inside. The survivors quickly realize that the water is the least of their worries. A hungry, 12-foot great white shark was swept into the supermarket by the wave. Trapped on top of the store shelves, the survivors must work together to find an escape route before they become shark bait.