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.
as Lee Mi-kyung
as Gae-tae
as Lee Ik-soo (#404)
as Kang Ha-joon (#403)
as Oh Deok-goo (#301)
as Kyung Jin-sook (#402)
as Lee Tae-gil
as Park Se-joo
as Constable Song
as #303
as Examination Graduate Student
as Examination Graduate Student
as Game Boy
as Delivery Man
as Sinchon Seolleongtang Civil Service Examination Student
as (uncredited)
as (uncredited)
