In order to pay for his parents' medical expenses, Zhao Xinghe, a top student at Huaxia University of Science and Technology, applied for a high-paying job as a live-in nanny, which was rumored to be difficult to maintain. She originally thought she was going to face the arrogant and willful sister who took the high school entrance examination, but what was more troublesome was her brother Yue Hanting, who looked cold and domineering, but at heart was a Northeastern talkative. Zhao Xinghe relied on his top cooking skills and tutoring skills to stabilize the situation, and during their daily interactions, he unexpectedly heard Yue Hanting's voice - it turned out that this cold-looking man had already fallen for her secretly. From a hit-and-run accident to a two-way rush, a hilarious and heart-warming comedy story of "work turns into love" unfolds.