Years ago, Connor Hess and Estella Barrett had a one-night stand after being drugged. Seven years later, they unexpectedly meet at the city hall when Estella was resolving her daughter's household registration issue. They decide to get married. Connor helps Estella solve her work problems, and Estella, in turn, makes efforts to resolve Connor's family disputes. After overcoming various obstacles, they start a new, happy life with their daughter.
