To help her father, Lu Xinzhou, find a suitable partner, eight-year-old Lu Xingxing goes to a cafe alone to look for his match, where she meets Lin Zhixia, a straightforward and kind-hearted woman who makes a living by selling and delivering fish. Lin Zhixia speaks directly, yet thoughtfully buys shoes for Xingxing and quietly protects her in daily life. As they spend time together, Lu Xinzhou's hidden identity gradually unfolds, and Lin Zhixia also leads her mother out of her old family to choose her own life anew.