Two clowns living in Korea's Chosun Dynasty get arrested for staging a play that satirizes the king. They are dragged to the palace and threatened with execution but are given a chance to save their lives if they can make the king laugh.

Kam Woo-sung
as Jang-sang

Lee Joon-gi
as Gong-gil

Jung Jin-young
as King Yeonsan

Kang Sung-yeon
as Jang Nok-su

Yoo Hai-jin
as Yuk-gab

Jang Hang-seon
as Cheo-sun

Jeong Seok-yong
as Chil-duk

Lee Seung-hun
as Pal-bok

Yoon Joo-Sang
as Sung Hee-an

Choi Il-hwa
as Sung Jun