After the mysterious disappearance of a teacher, Endeavourfinds himself undercover, investigating the dark and secretworld of a public school. When a body is unexpectedlydiscovered, Endeavour has to question who he can trust - anduncover the truth about the crimes before more people arehurt.Meanwhile, with news that Cowley Station is due toclose, Thursday is determined to solve the ongoing unsolvedmurders linked to Eddie Nero, and charges Fancy with trackingdown the elusive Cromwell Ames. But when the investigation endsin disaster, Cowley CID find a surprising link to Endeavour'sinvestigation at the public school. In the shadow of thetragedy, Endeavour and Thursday find some unexpected answersto their cases.
