Gu Anran returns to her hometown to handle her grandfather's funeral, only to find the old house occupied by He Ping via a mortgage agreement. He Ping claims the grandfather borrowed money and mortgaged the house to pay overdue pension insurance, but Gu Anran knows her grandfather was always frugal and free of debt. Looking through the ledger and village committee records for clues, she discovers that Zhao Ming fabricated business operations, forged the mortgage contract, and swindled the money. After realizing his close friend's malicious act, He Ping destroys the agreement, Zhao Ming returns the illicit funds, and the two follow the elder's final wish to turn the old house into a rural elderly activity center.