Qi Heng is a male god of K big, who lived with Kill Matt because of a night of hangover, and his reputation was greatly damaged after being exposed. Ten months later, Kill Matt gave birth to his son "Little Kill", Qi Heng was cold at first but gradually moved by his cuteness. However, Killing Matt died in a car accident, leaving Qi Heng and his son to rely on each other. After experiencing the heartache, Qi Heng decided to start over and cherish the people and children in front of him.