This is the Sixth Little Wychwell Mystery and follows Did Anyone Die?, A Very Quiet Guest, All that Glisters is not Silver, Speak of the Wolf and Some People Go Both Ways. Barnabus and Walls are enjoying an escape from marital bliss to have a 'boy's only' lunch by the river but their peace is shattered as figures from the past suddenly reappear in their lives. At the same time Elodea is also re-encountering a past acquaintance in Little Wychwell. Barnabus decides to investigate, but is this a mistake?