A year after the battle of Waterloo, dispatches from India warn that a local Maharaja is threatening British interests. Wellington sends Sharpe to investigate on what turns out to be his most dangerous mission to date. The last scout sent, Sharpe"s best friend Sergeant Harper -- has gone missing and reports suggests that the real power behind the risings is Colonel Dodd, a malcontent East India Company Officer, and that the Maharaja has gathered into his impregnable fort. Once inside the fort things do not quite go as Sharpe has planned.