Construction worker Zhang Zhexiu (Wu Zhihao) is a kind-hearted man, but in order to support his three nephews left behind by his brother and sister-in-law, he has to be very tough, rough and stingy, and do everything he can to take on all the work related to construction in order to make more money. Zhao Anna (Han Ye-seul), who lost her parents at a young age but received a large inheritance, is very arrogant and arrogant. There is basically nothing in the world that can catch her eye. Her husband Park Billy (Kim Sung-min) is even ordered around by her as a servant. Zhang Zhexiu met Zhao Anna three times and lost money three times. He was angry and vowed to find a chance to get it back. After Park Billy said that he could no longer tolerate Zhao Anna, Zhao Anna sat alone on a luxury yacht drinking alone on a rainy night and accidentally fell into the sea. Because the body could not be found, Park Billy determined that Zhao Anna was dead and could not hide his excitement, but Zhao Anna was rescued and sent to the hospital, but she had lost her memory. In the hospital, Zhang Zhexiu found Zhao Anna who had lost her memory. Just when he was about to ask a nanny to take care of his three nephews, he suddenly had an idea and tricked Zhao Anna into saying that they were in a boyfriend-girlfriend relationship. He called her "Luo Shishi" and took her back home...