Alia is an Afghan-Irish girl torn between two lives. When her secret relationship with an Irish boy comes to her sister's attention, it forces the family to make a decision that could ultimately tear it apart.
The mysterious disappearance of a Scottish fishing trawler and a death on-board the submarine HMS Vigil bring the police into conflict with the Navy and British security services. DCI Amy Silva and DS Kirsten Longacre lead an investigation on land and at sea into a conspiracy that goes to the very heart of Britain’s national security.
