Half of the stories in this drama are adapted from real cases. The Hong Kong Red Cross Missing Persons Service Group "Enming Society" provides various types of social services for young people and the elderly. It has also established a "Missing Persons Service Group" to help people find relatives who have been separated due to war, natural disasters, relocation or sudden changes in family. The enterprising and positive Hong Rufeng (played by Linda Chung), the optimistic and positive Shi Yiqian (played by Chan Chi Sun), the playful and clever Xian Jiezhen (played by Lok Tong), and the poor computer boy Yang Ziji (played by Chan Wai Hong), under the leadership of the calm and rational team leader Lu Wendi (played by Jiang Zhiguang), carried out one difficult search process after another. Five people of different backgrounds and personalities hold the same belief and do their best to reunite the help seekers with their lost relatives. While finding happiness for others, they also experienced the process of re-examining themselves...