Imma investigates a strange theft in the home of a friend of her mother-in-law, whose stolen goods reappear intact a few days later while a man, Ulysses Delillo, is found dead in his artisan workshop. The two cases are linked and the yellow solution comes thanks to the proverbial memory of Tataranni. In the meantime, an act of courage, which proves decisive in the trial of Romaniello, forces Samuel to leave Matera, which Valentina blames her mother for.