In order to make good with his former employers, a submarine captain takes a job with a shadowy backer to search the depths of the Black Sea for a submarine rumored to be loaded with gold.
 
A gritty underwater heist thriller with psychological ups and downs.  Are they stealing gold or their sanity?
 
FUN FACT:  The submarine used for filming is called the Black Widow. It is an old Soviet sub moored in the River Medway at Strood, Kent.