It is 1891, and London is still reeling from the horror of the unsolved Jack the Ripper murders when Inspector Sholto Lestrade is sent to the Isle of Wight to investigate a strange corpse found walled up in Shanklin Cline. Lestrade whirls from ballroom and barroom, from vicarage to spiritualist gather, from the studio of the celebrated Alma-Tadema to 221B Baker Street with spell-binding panache.