An elite Navy SEAL, goes on a path to avenge his wife's murder only to find himself inside of a larger conspiracy.

A young newlywed moves to her husband's imposing estate, where she must contend with his sinister housekeeper and the haunting shadow of his late wife.

The series follows John Porter, a former British Special Forces soldier, who is drafted back into service by Section 20, a fictional branch of the Secret Intelligence Service.