The secret inside your phone will be revealed!
A group of people meet for the first time in a long time and play a game that reveals each other's secrets.
Yoo Hai-jin
Tae-soo
Cho Jin-woong
Seok-ho
Lee Seo-jin
Joon-mo
Yum Jung-ah
Soo-hyun
Kim Ji-soo
Ye-jin
Song Ha-yoon
Se-kyung
Yoon Kyung-ho
Young-bae
Ji Woo
So-young
Choi Yu-hwa
Chae-young (voice)
Lee Soon-jae
Young-bae's Father (voice)
Lee Do-gyeong
Ye-jin's Father (voice)
Ra Mi-ran
So-wol (voice)
