In a modern city, Lin Yaoyao and Yang Yichen, who have very different personalities, met because of a wrong delivery, and were subsequently involved in a series of ridiculous and heart-warming multi-layered story lines. Through various lies, misunderstandings, temptations and self-growth, roommates, partners, friends and lovers gradually discover each other's truest appearance, and also find their own happiness in the constantly intertwined emotional mysteries. The story covers friendship, family, career, emotional growth, and the redemption of love full of laughter and tears. With a three-volume structure, each volume independently promotes character growth and main plot advancement, and finally completes the emotional settlement and character transformation in the climax.