On the day of their marriage registration, Lin Xiulan tears up Jiang Sui's marriage introduction letter, rushes to register her marriage with Zhou Jianguo, and falsely claims she is only borrowing the status for a month to settle her residency. Zhou Jianguo not only secretly matches a key to occupy Jiang Sui's advanced assigned housing, but also instigates Lin Xiulan to forge a signature to defraud the address verification, with all the factory coworkers waiting to see Jiang Sui become a laughingstock. With only eight minutes left before off-duty time, Jiang Sui dials the phone of factory director Lu Chen. After finishing dealing with a workshop belt malfunction, Lu Chen arrives on time with a full set of registration materials, and legally marries Jiang Sui on the spot. In the end, Zhou Jianguo has his excellence rating revoked and is transferred to the loading and unloading team, Lin Xiulan's household registration is sent back to her original hometown, and Jiang Sui also comes to understand the tenderness Lu Chen hid in the details.