Code Orange is declared when they discovered a security breach at NTS. Agents Jung Woo and Jae Hoo are appointed to discover the mole. Dr. Kwon is forced to create an entire new plan to hide Dr. Kim Myung Guk once and for all.

When the SNC equipment has been stolen and Dr. Kim has been kidnapped, NTS will do everything in their power to retrieve both of them back. BoA finds out about Jung Woo's reason for guarding her.