Army officers from 16 countries gather for the World Officer Championship; North and South Korea enter as one team for the first time; if Kim Hang Ah's team does well, the party will find her a husband, so she agrees to take part.

Hang Ah ends up sharing her room with Jae Ha and they really learn to hate each other; Bong Gu, AKA John Mayer, kills his bedridden father when no one is watching and becomes the owner of Club M.

Kim Hang Ah plays games by giving Lee Jae Ha the silent treatment; Lee Jae Ha reveals her intentions for joining the team.

Kang Seok's birthday becomes another cause for tension between the North and South officers; after the dangers of the recent bombing, the UN gets involved and becomes nosy in Korean affairs.

The North and South officers celebrate successfully completing their WOC training; Hang Ah looks for Jae Ha but is informed that he left early with Jae Kang; after much consideration, Jae Ha agrees to go on blind dates with North Korean women.

Lee Jae Ha's plan ends up hurting Kim Hang Ah; Kim Hang Ah her revenge.