In the episode, Lee Jang Woo met with young people working to revive a closed-down brewery.
At his request to save them, the team examined the yeast under a microscope.
They discovered that an excess of lactic acid bacteria, rather than yeast, was causing issues.
Together, they made makgeolli using both traditional and modern methods.
Demonstrating his experimental spirit, Lee Jang Woo added unconventional ingredients like watermelon to the brew.
