Fitness coach Ning Sui returns to her home country to search for lost family members, encountering Chi Muzhi at the swimming pool. After joining his household for work, she unexpectedly discovers the deep-seated bond hidden between the two of them. Facing constant scheming from others, Ning Sui calmly handles everything with her resilient willpower and capability, always maintaining her independent personality. Together with Chi Muzhi, she sees through lies, resolves crises, heals each other's past wounds, breaks through worldly obstacles together, and reaps true affection while walking side by side, all while balancing her own career.