A small Irish town is shocked by a mysterious crime. Who and why needed to kill a rich American woman who had recently settled here? Has a maniac really appeared in a quiet, cozy corner? At first, this version seems correct to the experienced metropolitan policeman leading the investigation. However, when the first murder is followed by second, he begins to understand that this is not about the action of a dangerous madman, but about a carefully thought-out series of crimes. And the key to the mystery seems to be hidden in the past of both victims...