When Fu Sichen first met Gu Wanzhi, he felt that her scent was strangely familiar. Meanwhile, Gu Wanzhi's son, Gu Xiaoxing, insisted that Fu Sichen was his father when they first met. Fu Sichen began to suspect that Gu Wanzhi was the woman he had shared a passionate night with five years ago. As the two faced numerous challenges and even fell victim to a scheme to turn them against each other, Fu Sichen always stepped up to protect his wife, demonstrating his love and strength. Moved by his actions and care, Gu Wanzhi let go of her grudges and fell in love with Fu Sichen. The truth about their past was finally revealed, confirming that Fu Sichen was indeed Xiaoxing's biological father. In the end, the family of three lived happily together.