Having lived in seclusion in the mountains for a long time, Lin Jianchuan descended the mountain alone to fulfill an old marriage engagement left by his elders, and after descending, he registered his marriage with the Gu family's movie queen, Gu Wantang. This contractual marriage set by the elders involves long-sealed family debts and hidden old agreements. Bound together by destiny, the two harbor reservations toward each other. In order to find out the truth of the past left by the elders, Lin Jianchuan set off for the old Lin residence to explore the secrets, and one buried past after another gradually surfaced.