Renaissance Appointment

Ancient painting restorers in Florence always receive anonymous funding on the condition that they are not allowed to restore the lower right corner of "Spring Festival". She secretly cleaned the coating and found the signature of her childhood mentor - the genius who disappeared twenty years ago. Following the paint code, she found him dying in the Medici Chapel. It turned out that he was hunted for discovering that a certain famous painting was actually a fake work of brother-killing. Before he faked his death, he left a clue: "Only you can bring the truth back to life." When the alarm sounded, she raised the repair knife and chuckled: "Teacher, it's time to fulfill our Renaissance promise."