The story of two brothers, the younger one of whom has a rare disease which causes his body to age rapidly while his mind is still in a pre-teen state.
Lee Jung-jae
Lee Beom-soo
Lee Moon-sik
Ryu Seung-su
Kim Jun-hee
Park Young-kyu
Lee Won-jong
Gong Hyung-jin
Kim Hyung-ja
Oh Jung-se
Kwon Tae-won
Maeng Bong-hak
Jung Jae-jin
Lee Seung-joon
Park Ji-yeon
Kim Sang-won
