Yeung Yat-ching's childhood was marked by tragedy, as he lost his father in a car accident and his mother left him to start a new life in America with a new partner. These experiences had a profound and lasting impact on him, shaping his skeptical outlook on marriage due to his mother's actions and his own relationship failures. Presently, Yeung Yat-ching works as a security manager at the respected Chong Kin Pong Security agency. It is there that he crosses paths with Charlie Yau. Charlie, who used IVF due to her late husband's infertility, returns to Hong Kong from England in search of her son Woody's biological father, surprisingly revealed to be Yeung Yat-ching. As the series progresses, Yat-ching and Charlie's relationship deepens, but they face challenges that strain their bond. The past secrets and Woody's actions add to the tension. Amidst a kidnapping incident and life-threatening medical conditions, Yat-ching, Charlie, and Woody must confront their pasts, their emotions, and the uncertainties of the future.