The Sabbat Worlds Crusade has reached the Fortress World of Jago, and the Tanith First are given a vital – and dangerous – mission to defend a key pass against the enemy, garrisoned in an ancient mansion – the Hinzerhaus. Strange things are happening there. There are voices on the wind and people are disappearing. With enemy outside and ghosts within, Colonel-Commissar Gaunt and his men must face their fears – for only in death does duty end.