Sheila Webb, a typist-for-hire, has arrived at 19 Wilbraham Crescent to accept a new job. What she finds is a well-dressed corpse surrounded by five clocks, each one set to a different time. But by the time the authorities arrive, four of the clocks have vanished. And unfortunately, the blind mistress of number 19 never saw a thing. Luckily the retired Hercule Poirot has nothing but time to piece together one of the most baffling puzzles of his career….