These are two people in ordinary life, both of whom are used to loneliness in the dark night. Ye Xi never expected that Ling Lan, a mysterious little wildcat, would be so obedient in front of everyone, and Ling Lan also didn't expect that Ye Xi, a master of seducing girls, would be a solo who had never even held a woman's hand. As the two get to know each other better, some secrets also surface. Many years later, Ye Xi asked Ling Lan, "Why did you believe in me in the first place?" Ling Lan smiled and said, "I forgot."