Season 4 - Episode Guide

Throwing himself into his work to mask the heartache of Joan leaving, Endeavour is quickly consumed by his duties when a research scientist is found drowned.

When moral crusader Joy Pettybon receives a death threat, Endeavour must protect her at all costs. Then he is dragged into a war of social attitudes.

Whispers that Cowley General contains a cursed ward - and a seemingly innocuous death - set off a chain of events that lead Endeavour to investigate the dark depths of the hospital. While there, he is forced to confront his own ghosts as he discovers a chilling secret.

Endeavour becomes embroiled in a case with pagan overtones. When a body is discovered on boggy Bramford Mere, it reveals a new lead in the old missing persons case. Almost five years to the day since that disappearance, Endeavour and DI Thursday pick up where the investigation left off.