Jia-cong, who came from a broken family, and Pei-yi, a single mother who had little talent on the entertainment road, founded a company that can provide "rental family" services. By chance, Jia-cong discovered a temporary actor named Zhi-guang who was addicted to acting and invited him to join the ranks of "rental family". Zhi-guang readily agreed. After Zhi-guang joined, he met Fang-fang, a landlady who loved dancing. By chance, the two of them played the role of "temporary couple" and became "family" with Jia-cong and Pei-yi. However, during the service process, this temporary family discovered a secret buried deep inside... What exactly is considered a family member? What is the most valuable relationship?