As Endeavour and Thursday deal with the heartbreak of Joan's departure, a death at East Cowley Slipper Baths hurls the pair into another dark adventure.

Endeavour is tasked with protecting prisoner and criminal informant Terry Bakewell whilst he's undergoing treatment in Cowley General Hospital.

When a body is found in a marshland outside of Oxford, everyone assumes they're the remains of Oxford botanist Matthew Laxman, who disappeared near the site five years earlier.