Despite modest roots, Yoon Bok Hee (Bae Jong Ok) excels as a financial lender and starts her own real estate business, eventually becoming a millionaire. The view is great at the top of her game, until Alzheimer's redefines her golden years. Bok Hee resolves to focus on her children, who all need major help in getting their acts together, especially eldest daughter Go Young Chae (Jung Yoo Mi), a gold-digging designer. Unexpected help arrives in the form of Jang Hoon Nam (Jung Gyu Woon), whose warmth, kindness and sense of responsibility stand to change Young Chae's life forever. Meanwhile, time is running out for Bok Hee - can she trust that her children will take care of themselves, her business - and her?
