It is said that every investigator has a crime that haunts them, a case that hurts him more than the others, without him necessarily knowing why. For Yohan that case is the murder of Clara.
Eve Vernet was the largest rose grower. It is now on the verge of bankruptcy, on the verge of being bought out by a powerful competitor. In addition, Véra, her faithful secretary, employed three employees without any gardening skills.