Open Water (2003) ending / spoiler
On their second day in the water, Susan wakes up to discover that Daniel has died overnight, having bled to death from a shark bite. In dispair, she takes off her floatation equipment and sinks below the surface, never knowing that rescuers were on their way. Much later, a fisherman butchering a shark he has caught finds Susan's camera in the shark's stomach.
Submitted by Sticky