Hae Yoon and Dong Bi give their long-term boyfriends ultimatums for marriage.

Dong Bi finds herself unable to get over Ki Joon; Hae Yoon and Jung Hoon's mothers run a background check on each other.

A rocky first meeting between the in-laws threatens Hye Yoon and Jung Hoon's wedding.

The question of where to hold the wedding creates tension between Hye Yoon and Jung Hoon's families. Meanwhile, an upsetting discovery is made.

Hye Yoon and Jung Hoon feel pressured to continue popular marriage traditions. Deul Ja questions Do Hyun.

Hye Yoon becomes closer to Jung Hoon's family, as an argument with her mother has serious consequences.