Aboard the USS Kingfish in the Sea of Japan, a secret mission unexpectedly becomes life threatening. After the dyed-in-the-wool Naval Commander, Joe Camissa, begrudgingly accepts a short-fused mission, he finds himself dangling 20 feet above the deck of a North Korean military vessel-while inside a half-ton atmospheric diving suit (ADS). Following the mission, Camissa and his crew are left with several unanswered questions. Amidst the struggles...