The sommelier of the agricultural estate "Il sole" is found dead along the stairs leading to the cellar. The culprit seems to be Ambrogio, the owner of the company, who had long suspected that his wife, twenty years his junior, was cheating on him with the victim. Tommasi breaks his leg and has to move to the Cecchini house, where the marshal, who feels guilty for what happened, will end up exasperating the poor captain, the victim of too attentive care.
