We're in 1611, Italia. The Black Death is everywhere, killing everyone. The government of Florence, the town where you live, has published an edict who said that everyone has to stay home, preventing from any events or walks. You're at home. Your mother, Efilia, is sick since 1 week, on the verge to die. You're by her side, as well as your siblings. Unfortunally, you're a part of one of the most modest family in Florence, the Mareaion. As you're lost in your memories with your died mother, a knock on the door is heard. It's Yu.