Floris and Eva investigate the discovery of six liters of blood in a house; the presumed victim, Johan de Jaegher, disappeared several days ago. They discover that he owned a very expensive painting which he was about to sell, and his brother Gerard has no alibi for the murder. Marion and Romeo deal with a mentally impaired man complaining of a humming noise in his house. Romeo accepts flowers as a gift from a witness, and after Flamand berates him for it, tries to get them back from his girlfriend. Floris continues to interfere in Fleur's life, and discovers that she is Romeo's girlfriend. After seeing him talk to an attractive woman, Eva thinks Floris has a girlfriend, and appears to be jealous. Flamand has computer problems.