Officer Wang Kuaile, the old couple knocked at the door in the middle of the night. Which episode appeared?

The second episode. The happy police officer Wang in the TV series Happy Police Officer Wang knocked at the door in the middle of the night. Happy police officer Wang knocked on their son's room in the second episode. "Happy King Officer" is an urban livelihood drama directed by Su Zhou, starring Hai Yitian and Huang, and co-starring.