Geum Na Ra (Park Shin Yang) is a ruthless private moneylender. Seo Joo Hee (Park Jin Hee) is a righteous woman. When problems with her family's debts arise, Joo Hee was supposed to marry a divorced man to solve her family's financial problems. But on the day of the wedding, Geum Na Ra shows up to collect the debts and ends up ruining her plans. Joo Hee vows to take her revenge on him but she falls in love with him instead. Ha Woo Sung (Shin Dong Wook), also a moneylender, is a handsome young man who seem to have no worries in life. He and Geum Na Ra are rivals, in business and in love. Lee Cha Yeon (Kim Jung Hwa) is a money banker. Adapted from Park Yi Kwon's manhwa, "War of Money."