A brilliant math teacher formulates the perfect cover-up after his neighbor murders her abusive ex-husband.
Suk-go
Hwa-sun
Detective Min-bum
Sang-joon
Yoon-ah
Nam Tae-woo
Jung-sook
Chul-min
Team Leader
Director
Girl
Madame
Investigator 1
Investigator 2
Suk-go (Teen)
Innkeeper
Lie detector investigator
Forensic team member #1
