Shihyeon, aka "Red Candy," is a secret agent whose code name comes from bathing in the blood of his marks on dangerous missions. Shihyeon's tasked with seducing and obtaining intel from Hajun, a hot college professor. Shihyeon can disarm enemies but doesn't expect to be disarmed by Hajun's own tight body. Now Shihyeon's caught between loyalty to his spy agency and Hajun. Can Red Candy survive the incoming wave of enemies and still indulge in the sweet ecstasy of Hajun's embrace?