Taking on the case of Lorna Belling's death, Superintendent Roy Grace was initially confident that the case was simple and was about to be closed. In fact, what is unclear here? The woman has long sought to escape from family hell, from the clutches of an unloved and cruel husband; took a lover and began dating him in a rented apartment. And the tyrant husband found out about this - and took cruel revenge: he threw the hairdryer that was on into her bath... Moreover, the evidence found at the murder scene clearly indicates his involvement in the murder. But an instinct, honed by vast experience, tells Grace: something is wrong here, everything is too obvious - and even somehow deliberate...