In order to fulfill his daughter Li Yan's (Tan Songyun) little wish before her senior year in high school, father Li Boyu (Wu Jing) decided to take his daughter to Altay for skiing. Unexpectedly, Li Boyu encountered an accident and was still in a state of brain death after full rescue, which made Pan Yanqiu (Yan Ni), a wife and mother, make the most difficult decision for a woman. When the family gradually lost temperature, a puppy named Coke broke into their lives with stubbornness, becoming the focus of the mother-daughter dispute, and also becoming a companion of bitter and happy fireworks. How to let go of regret and persistence after pain? How to learn love and courage in growth? When the difficulties of the past reappear, will their lives have regretless choices?