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.
This movie contains 3 potentially triggering events.
About 25 minutes in a character breaks his leg. There is a graphic closeup of the bone protruding from the skin. The character's leg is also ripped off by the shark immediately after that.
In the opening scene, an entire sled of dogs (and the sled runner) get pulled into water and never reappear.