Zero Nine and Da Da spend the day together, but they hear people talking about Wang Joon’s accident. Zero Nine and Wang Joon run into each other as they both investigate to find the real culprit. Da Da goes to a middle school for a part-time job. Meanwhile, Wang Joon witnesses something suspicious about Zero Nine.
Cha Jung-won
Baek Kyu-Ri
Kwon Hyun-sang
Hwang In-Hyuk
Kong Jeong-hwan
Department Head Ko
Choi Seong-won
Nam Bo-Won
Hong Seo-young
Diana
Hong Jong-hyun
Ma Wang-Joon
Bang Min-ah
Uhm Da-Da
Yeo Jin-goo
Young Goo
Kim Do-hoon
Yoo-Jin
Ko Jung-min
Ran
Choi Joo-won
Hwa-Ni
Ha Jae-sook
Yeo Woong
Hong Seok-cheon
Geum Eun-Dong
