Synopsis：Chi Wan, a micro-worker, accidentally slept with her boss, the CEO, and then due to a car accident, she swapped souls with the arrogant and domineering daughter (the CEO's sister). The two tried their best but couldn't get their souls back, so they reached an agreement that she would be the eldest daughter to help her with the project and refuse the family marriage, and she would be a worker to help her keep her job. However, the male protagonist knew that the person that night was Chi Wan, and decided to take responsibility for her and began to pursue Chi Wan, whose soul was her sister...