Surfeit of suspects

A quiet Surrey town is shattered when the Excelsior Joinery Company offices explode, leaving three directors dead. Initially thought to be a gas leak, the discovery of dynamite quickly brings Superintendent Littlejohn of Scotland Yard to the scene. He soon uncovers a community rife with hidden resentments and a host of suspicious characters, each with their own motives, complicating his investigation into the deadly blast.