Calcutta police detective Captain Sam Wyndham and his quick-witted Indian Sergeant, Surrender-not Banerjee, are back for another rip-roaring adventure set in 1920s India. 

1905, London. 

When Bessie Drummond, an old flame of Sam Wyndham's, is attacked in the street, he is determined to get to the bottom of it. But the next day, Bessie is found dead in her room and Wyndham soon finds himself caught up in her murder investigation. The case will cost the young constable more than he ever imagined. 

1922, India. 

Leaving Calcutta, Wyndham heads for the hills of Assam, ready to put his opium addiction behind him. But when he arrives, he sees a ghost from his life in London - a man thought to be long dead, a man Wyndham hoped he would never see again. 

Wyndham knows he must call his friend and colleague Sergeant Banerjee for help. He is certain that this figure from can only be after one thing: revenge...