Dr. Suh Myung Joon and his team prepare to unveil the new energy source.

Dr. Lim Jin Jae continuously tests Myung Joon to see if he trusts her, as she struggles.

Myung Joon's best friend makes the ultimate sacrifice as the North Korean troops invade.

North Korea's position in international affairs becomes precarious when they publicize the invasion.

The President's Secretary makes an unimaginable offer to Myung Joon.

Jin Jae is sent off to Russia, which sends South Korean intelligence into a frenzy.