Long-established Trade Secret
노포의 영업비밀
- 2021
- 85 episodes
- 3 seasons
- 61 min per episode
- In Korea on tvN
Where to watch Long-established Trade Secret in the US
Long-established Trade Secret isn't currently available on any subscription platform in the US.
Availability updated November 7, 2026.
Long-established Trade Secret plot
A gourmet exploration entertainment show that finds the old store and delves into the special trade secrets that allowed it to survive for a long time.
