While perusing the books of an engineering company, fastidious auditor Frank Manning encounters rum goings on when he is approached by a woman who claiming she is being blackmailed. She begs him to find certain letters and he eventually agrees. Having obtained the letters, he takes them to a specified address where, to his horror, he finds a man, fully clothed, dead in the bath.
Acting
Dermot Walsh's buttoned-up panic is deliciously British.
Production
Vernon Sewell squeezes maximum mood from minimal budget.

Director
Vernon Sewell
Trivia, insights & behind the scenes
Vernon Sewell directed over thirty low-budget British thrillers, often completing shoots in under two weeks. This was typical output.
The 'dead man in the bath' trope was a post-war British thriller staple—here played almost for dry comedy amid the supposed tension.