Do-hoon and Yu-ra are caught up in a massive gunfight, resolved to safeguard their family's happiness.

Mo Tae-il meets Jo Tae-gu after stowing away. Do-hoon searches for Yu-ra, who has gone missing.

Do-hoon and Yu-ra rescue their daughter unharmed, but they face another crisis upon returning home.

Do-hoon and Yu-ra learn each other's secrets and get awkward. Jo Tae-gu preys on their daughter.

Yu-ra makes a deal to keep Jo Tae-gu away from her family. Do-hoon spots a sniper while on a mission.

Jo Tae-gu and his subtle threats make Yu-ra anxious. Do-hoon and Oh Chun-ryun try to read each other.

Do-hoon is troubled after getting unexpected information about Oh Chun-ryun. Yu-ra meets the caller.

Yu-ra gets a call and hears a voice she had long forgotten. Oh Chun-ryun then makes a sudden visit.

Do-hoon almost loses his colleague to a sniper during a mission. Wolfe also becomes a target.

Yu-ra and Oh Chun-ryun drink together. Do-hoon meets his friend Wolfe at his daughter's school play.

Yu-ra's suspicion about Oh Chun-ryun grows, and Do-hoon prepares an event to calm her down.

Do-hoon missed family events for years due to work. Yu-ra invites his cruel supervisor to their home.