Episode 6

 (Korean: 불빛, lit. "Firelight") aired on June 29, 2019.

Synopsis
Tae-jun and Seon-yeong enjoy an evening out together, but soon find that someone knows about them. News of a factory worker's death alarms Do-gyeong.

Cast

 * Lee Jung-jae as Jang Tae-joon
 * Shin Min Ah as Kang Seon-yeong