Xia Zhiwei, an artisan suffering from amnesia for five years, accidentally saves Lu Jingshen's daughter Niannian. Due to her striking resemblance to his late wife, she is mistaken for an opportunistic scammer. Lacking maternal love, Niannian takes out three yuan and asks her to be her mom, and the three of them gradually find the warmth of a home while getting along. Facing continuous misunderstandings and framed plots, Xia Zhiwei relies on her kindness and craftsmanship to regain her footing, while Lu Jingshen learns to trust through pain and protection. Until the covered-up past is uncovered, everyone discovers that Xia Zhiwei is not an impostor, but the wife Lu Jingshen thought had long passed away, and also Niannian's biological mother.