An unexpected reunion on the night of a typhoon once again intertwined the lives of Chen Er and Yu Chizhou. When they were young, the two walked together due to family changes, and went from strangers and estrangement to protecting each other. However, the sudden death of their mother made Chen Er return to her biological father's house again and suffered all kinds of injustice. It was Yu Chizhou who supported her with his firm companionship. The two of them have experienced separation and concern over the years, taking companionship as an agreement and protection as a promise. The young and girl they met once again, those unspoken concerns and companionship finally turned into the warmest destination in the years, writing a healing story about growth, protection and reunion.