Shen Zhiwei, a 211-university graduate, has worked as a maid in a wealthy estate for five years, living as an invisible person whose face no one remembers. Having slacked off and saved 980,000 yuan, she plans to return to her hometown county to retire once this year is done. When the elderly patriarch falls critically ill and leaves a final will: "Find the person no one remembers," the entire family searches their archives and locks onto her. Lu Jingshen, the only eldest grandson who remembers her, blocks her at the staircase and forces her to become his personal assistant. She originally wanted to play dead and coast along, but she stumbles upon a "swept-under-the-rug" ledger from five years ago involving a 30 million transfer and F Group money laundering, which drags her deceased father into the light. The invisible person is forced into the arena to investigate, eating melons on the side while turning the wealthy family upside down.