Season 0 of Stranger premiered on June 3, 2017.

Season 1 of Stranger premiered on June 10, 2017.

An unlikely partnership is forged, between a passionate cop and an emotionless prosecutor, to bring an evasive serial killer to justice.

Season 2 of Stranger premiered on August 15, 2020.

In the midst of a power clash between prosecutors and police, Si-mok and Yeo-jin uncover murky secrets as they pursue a labyrinth of intertwined cases.