The male lead reaps seventy-six million in investment returns, deliberately concealing the true amount and falsely claiming he only earned five hundred thousand. Over the past many years, he has continuously subsidized his elder sister's family, shelling out money time and again without ever getting it back. When preparing for his own wedding, his request for help was brushed off by them, and his matrimonial home was even demanded by his sister at a low price. Accustomed to emotional blackmail and extortion from his family, the male lead properly arranges and distributes the huge sum across accounts. Facing his sister's plan to once again visit and borrow money to buy a house, he intends to guard the wealth he earned through his hard work.