The series is about the office workers of Marketing Team 3 at the home appliance headquarters of Gaus Electronics—a multinational company. It highlights the highs and lows of corporate life, and love and friendship between the employees.

18-year-old Ga Doo Shim who wishes to live as a typical high schooler but is born with the undesired fate of becoming a shaman. She is a brave and strong character who will fight evil spirits as she works on solving mysterious cases. Na Woo Soo, a nearly perfect high schooler with a wealthy background, handsome looks, and outstanding grades. When Ga Doo Shim suddenly appears in his life, he gains the ability to see evil spirits, and the two get entangled in mysterious cases together.