Four years after a fateful night, Xu Xinyan gives birth to their son Dabao alone. To save her seriously ill child, she works as a caregiver for Pei Tingye, CEO of the Pei Group. They grow fond of each other, but misunderstandings and plots drive them apart. When the truth comes out, Pei Tingye learns Dabao is his son and everything Xu Xinyan has endured for him. He vows to win her back and protect their little family.