Si Ohn and Gun Woo race to find evidence that will put Chief Moon Hong Joon away in jail forever, but the rules change when Si Ohn discovers a new ghost who isn't dead.
Gun Woo confesses his feelings for Si Ohn, but she's not ready to let go of Hyung Joon just yet. He also discovers the truth about Hyung Joon's whereabouts.
Si Ohn finally gets the evidence she needs to take down Chief Moon and the smuggling ring. Gun Woo recovers from his injuries and tells Si Ohn the truth she needs to hear.
Si Ohn makes peace with Hyung Joon's passing. Gun Woo is promoted to the serious crime division, and the separation from Si Ohn only makes their hearts grow fonder for each other.