It's spring 1972 and Endeavour's return to Castle Gatecoincides with another homecoming, that of the celebratedOxford Concert Orchestra, led by illustrious composer SirAlexander Lermontov. A gruesome discovery in a College gardenleads Endeavour and Thursday to the orchestra's door, and whena second tragedy hits, they uncover a web ofsecrets.Meanwhile, grisly London business turns up in Oxfordand a criminal from the Smoke is brutally murdered in aderelict warehouse. As the mystery unfolds, Endeavour andThursday realise there are some unsettling ties to a case thepair had hoped was long since behind them.