The WORST seasons of Vigil

Every season of Vigil ever, ranked from worst to best by thousands of votes from fans of the show. The worst seasons of Vigil!

The mysterious disappearance of a Scottish fishing trawler and a death on-board a Trident nuclear submarine bring the police into conflict with the Navy and British security services. DCI Amy Silva leads an investigation on land and at sea into a conspiracy that threatens the very heart of Britain's nuclear deterrent.