Kind nanny Su He comes to the city for work. On her first day, her employer Gu Zhenshan falls critically ill. She spends all her savings to save him, yet Gu’s children accuse her of harming him and sue her. Gu Zhenshan wakes in time to clear her name. Su He studies under a master physician and opens a clinic. She falls for Gu Zheng, the eldest son. Facing Shen Qingwu’s jealous schemes, she stays kind. Her true love revives Gu Zheng after three years in coma, and she gains happiness.