First aired on Nov 1, 2020

Genres:

Knock on the Happiness Door is a 2020 Chinese television series starring Wu Jinyan and Nie Yuan. The series is broadcast on Zhejiang TV, Jiangsu TV, iQIYI, Tencent Video and Youku on August 12 to September 4, 2020. The story is about a doctor Huang Zili experiences the distress of love relationship and career.