Seventeen years after being separated from her family, He Xiaohe returns to the Cheng household, only to face constant bullying and frame-ups from her adoptive sister Cheng Jiayi.
Armed with old photos, school records and hospital documents, she fights step by step to prove her identity. She refuses to give up her surname He and will not compromise.
She finds her inner peace in the town library, and eventually gets admitted to Huajing through her own hard work. After untangling all tangled conflicts, she walks toward an open and unburdened path of her own.