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.

Lee Mi-kyung

Gae-tae

Kang Ha-joon (#403)

Oh Deok-goo (#301)

Kyung Jin-sook (#402)

Lee Tae-gil

Park Se-joo

Constable Song

Examination Graduate Student

Examination Graduate Student

Sinchon Seolleongtang Civil Service Examination Student

(uncredited)

(uncredited)
August 25, 2016

Lee Mi-kyung

Gae-tae

Kang Ha-joon (#403)

Oh Deok-goo (#301)

Kyung Jin-sook (#402)

Lee Tae-gil

Park Se-joo

Constable Song

Examination Graduate Student

Examination Graduate Student

Sinchon Seolleongtang Civil Service Examination Student

(uncredited)

(uncredited)

