In his childhood, Wang Xiaonan encountered a sudden change and was almost displaced. Fortunately, a kindhearted man named Wang Debiao stepped forward and from then on he had a family full of warmth even though he was not related by blood. On the road of growing up, facing the friction of campus life and bullying from the outside world, her father always used his unique wisdom and courage to support his daughter. Many years later, during a root-seeking trip, the father and daughter accidentally discovered the culprit who caused the breakdown of Wang Xiaonan's original family. Faced with the haze and potential dangers of the past, they did not choose to be blind and impulsive, but remained calm and rational.