Vera is called to the scene of the murder of trainee forensic psychologist Joanne Caswell, whose body has been found dumped at a landfill site. Vera zeroes in on Joanne's re-examination of an old crime, following the trail of the dead woman's investigation in order to catch her killer. Vera is confronted with the sight of Caden Lennon's murder, by knife, in a coastal town's shipyard.