What would you do if you were ordered to enter a fake marriage… with your crush? That's exactly what happened to Dodam, an agent working for the NSO, the most secretive government organization. Dodam's mission? To expose an industrial spy. But here's the twist: she has to go undercover as a newlywed with her boss and crush, Juwon Gi. Dodam is determined to accomplish her mission and win Juwon's favor along the way. Can she safely complete her mission? Or will her feelings jeopardize everything?