Tower of Babel (2019)

Episode 4 (1x4)

Air date: Feb 09, 2019

Woo-hyuk urgently arrests Su-ho as a suspect in Min-ho's murder. While interrogating Su-ho, Woo-hyuk hears from Su-ho about Min-ho's shocking past. Meanwhile, Woo-hyuk, who spent a happy time with the garden, is shocked when he receives the phone call that the garden left behind.