With a war between the North and South seemingly imminent, Jae-ha and Hang-ah must do what they can to stay together, stop the war before it starts and finally avenge the losses and pain caused by John Mayer.
Infuriated by Jae-ha's provocation, John Mayer decides to step out of the shadows and take the reins himself. Meanwhile, Jae-ha and Hang-ha try to persuade Jae-sin to be regent while Jae-ha is away at the WOC.
With the sudden passing of the king, Jae-ha finds himself the country's sovereign and juggling all the royal duties. Meanwhile, Chief Secretary Eun realizes that the death might not have been an accident.
After the training has ended, everyone returns to their respective sides to wait until the championship. Jae-ha is glad to return home, only to find out that his brother wants him to marry a North Korean woman.
Somewhere in Frankfurt, Kim Bong-gu (English name John Mayer) quietly and secretly murders his father to become the owner of Club M. Meanwhile, the unified team heads to North Korea to continue training.
The North and the South agree to enter the upcoming World Officer Championship as one team. North Korean officer Kim Hang-ah is lured with the prospect of marriage, and South Korean crown prince Lee Jae-ha is tricked into participating.