Adrift!.

> What started out as a game becomes a true voyage of life and death. Flynn's stuck baby-sitting his little sister Sally. When he sees an old crate bobbing among the rocks beside the beach, he comes up with the perfect way to kep her busy--a pirate game. They climb aboard and pretend they're sailing a great ship. But the fun quickly turns to terror when stong currents set them adrift--helple...