Ha-na's suspicions about Cheol-hee grow after she sees him following a mysterious man. Meanwhile, the Marriage Promotion Team faces a tough challenge as they try to find a suitable match for Ji-seok, whose introverted nature complicates their efforts. As secrets and challenges arise, tensions within the team begin to mount.

Cheol-hee and In-ah officially match online. The two go on their first date that In-ah planed for the two. Meanwhile someone vandalizes Ha-na'a car. Cheol-hee tries to make sure that Ha-na is safe, but strange things continue to happen to Ha-na.

Cheol-hee discovers Ba-da and San-i following a suspicious man, only to lose sight of them. He desperately searches through the night to find his missing nephews. Meanwhile, In-ah steps up to safeguard her dream of marriage, and Ki-jun receives an anonymous email exposing potential bribery involving a member of the Marriage Promotion Team.