Sixteen-year-old Su Xia followed her mother Su Xianghe back to a seaside town for her freshman year of high school. At school, she met Lin Shanshan, Yang Han, and Wu Linkai, and the four soon formed an investigation team. Strange things happen frequently on campus... Behind every case, there seems to be the same secret. As the truth approached, Su Xia was shocked to find that all the clues pointed to a disaster sixteen years ago. With the help of her partners, Su Xia finally uncovered a shocking twist and the truth came to light. During the investigation, Su Xia's friendship with her partners gradually became stronger. When the gentle answers to each case were put together, Su Xia finally understood the true shape of "home". They explore the truth in laughter, and understand love and protection in the truth.
The intention: to use the laughter of youth to bring out the love and truth that have been buried in the dust for sixteen years.
