
When her son who lives in a single room is given an outrageous $1,000 water bill, a mother decides to become a detective and find out what is behind it.
Cast

Park Ji-young
Lee Mi-kyung

Jo Bok-rae
Gae-tae
Kim Dae-hyun
Lee Ik-soo (#404)

Heo Jeong-do
Kang Ha-joon (#403)

Baek Soo-jang
Oh Deok-goo (#301)

Esom
Kyung Jin-sook (#402)

Lee Sung-wook
Lee Tae-gil

Oh Chang-kyung
Park Se-joo

Kang Jin-ah
Constable Song
Kwak Jin-mu
#303

Jeon Go-woon
Examination Graduate Student

Kwon O-kwang
Examination Graduate Student
Woo Moon-gi
Game Boy
Woo Sang-gi
Delivery Man

Ahn Jae-hong
Sinchon Seolleongtang Civil Service Examination Student

Hwang Seung-eon
(uncredited)

Kang Bong-sung
(uncredited)
Crew

Lee Yo-sup
Director, Writer

Jeon Go-woon
Adaptation, Producer
Lee Young-lim
Editor
Lee Hyo-jae
Director of Photography
Kim Tae-gon
Executive Producer
Kim Bo-hee
Producer
Bang Gil-sung
Production Design
Ji Ji-yeon
Costume Design
Lim Byeong-woo
Sound Director
Park Yong-ki
Sound
Kim Bo-hyeon
Lighting Director
Jeon Gun-ik
Special Effects Supervisor
Pee Dae-sung
Special Effects Makeup Artist, Special Props
Kwun Hyun-jeong
Music
Kim Deok-du
Set Decoration
Kim Yong-ho
Stunts
Ryu Yeon
Digital Intermediate Producer
Kevin Kang
Digital Intermediate
Kim Il-kwang
Digital Intermediate
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