Seven years ago he left without saying goodbye, and seven years later he handed over an agreement - "Be my nominal wife, and I will help you find your mother."
The boy who once said "It's a deal" under the locust tree now looks at her with the eyes of a stranger. But the hot milk he quietly put in late at night, and the figure blocking her in the critical moment, all said: He has never forgotten. When the truth was revealed, she realized that his leaving without saying goodbye was a seven-year plan to protect her.