A scientist becomes obsessed with returning his family to normalcy after a terrible accident.

Lucas, a diamond trader who travels to Saint Petersburg to arrange a sale, discovers that his Russian business partner has left his hotel and gone to a small Siberian village, so Lucas also heads there to try find him.

When a devoted husband and father is left home alone for the weekend, two stranded young women unexpectedly knock on his door for help. What starts out as a kind gesture results in a dangerous seduction and a deadly game of cat and mouse.