Six years ago, Lin Xinyue was drugged and framed by her stepsister, leading to a one-night encounter with Mu Hanxing. She gave birth to their son, Nuonuo, and raised him alone after being cast out of her home. Six years later, with Nuonuo critically ill, Xinyue seeks Hanxing's help at his engagement party. As they grow closer, a DNA test reveals that Nuonuo is his son. Together, they expose the conspiracies surrounding them and ultimately reunite as a family.