Min Woo, a police detective, raids an organ trafficking ring to find that the perpetrators aren't human.

Si Yeon is sent to assassinate Min Woo but fails because Min Woo's pendant is identical to hers.

The Gumiho Tribe is met with internal conflict. The SICS asks Min Woo to join them as their agent.

Min Ju prepares a blind date for Min Woo and Si Yeon. The elders begin plotting against their chieftain.

Elder Nam alerts the others of the assassination. Si Yeon tells Elder Nam that she didn't kill Elder Kang.

More elders end up dead, and Elder Nam confronts the chieftain. Min Woo confesses his feelings to Si Yeon.