The young man met an old fortune teller at a business trip station and inexplicably gave birth to a son. What TV series is it?

The young man met an old fortune-teller at a business trip station and inexplicably had a son. His TV series was "Seeking the Roots of the Imperial Capital". Zhang, an important character in Seeking the Roots of the Imperial Capital, met an old fortune teller at the business trip station of 1 episode, and inexplicably gave birth to another child. Emperor Gener tells the story of a Chinese medicine family facing the ever-changing social changes, the impact of ethical concepts, the continuation of blood relationship and the inheritance of skills, which triggered the contradiction and reflection of this it runs in the family family.