The thrilling love story of Shin Woo Yeo, a 999-years-old gumiho who wants to become human, and Lee Dam, who accidentally swallowed his fox bead.

Hong Ji Ah is an exorcist who gets rid of unrested spirits to sell houses. Oh In Beom is a fake exorcist who calls himself a doctor of the paranormal to scam people. They serendipitously run into each other one day.

An extraordinary road to emotional healing opens up for an antisocial children's book writer and a selfless psych ward caretaker when they cross paths.