A deadly car accident leaves both Keung Yuk-sing and Laura Fong Lok-man widowed. Seven years later, another accident has Yuk-sing encounter Laura. Laura rekindles her bond with her estranged sister Sherman Fong Shu-man with the help of Dr. Koo Hei-sun, who has Asperger syndrome. Laura grieves the passing of her mother-in-law and is trying to taking care of her daughter Chu Hang-yee and stepson Chu Ka-bing, while Yuk-sing struggles to understand the needs of his teenage daughter Keung Chi-yau. As Ka-bing and Chi-yau get closer, their mutual friend Eden Mok Yu-him creates more problems for their relationship, and the truth of the car accident gradually surfaces, forcing everyone to face changes again.