Silai is the illegitimate son of the daughter of a wealthy Venetian family, has multiple identities, and is a love pessimist. He met Zhou Nanyu, who gave him a limited-time love experience card and offered to talk to him about a thirty-day relationship. This brief relationship took the two through the process of going from strange to familiar, and when they broke up on the sixty-first day, they realized that the first beauty was the most precious.