Lee Soojin is a rookie agent who just got her very first promotion. She couldn’t be happier, but she soon finds out that there is a catch. Her newly assigned partner is none other than her ex; special agent Byun Baekhyun.

Follow Ahn Yujin as she navigates numerous missions, be it individually or with other agents alike. As you go on, get tangled in a mixture of espionage, love and friendships through various agents within the vast compound of SOTHEIA and places around the world, running felonious businesses within its very core.

In a race to beat a one year deadline, 3 spies and their 3 sidekick-wannabes must work together to achieve perfection inside and outside of Ghallager University for exceptional men.

Following the death of her parents, Son Nara joined A.C.E. in order to save her siblings. There, she met with the other agents. Though not all of them got along, they were united for their own reason to fight. But when they found another lost children who named IM, things started to go haywire. The almighty IM claimed that he had a trust issue and it had caus

Working on a crime-fighting secret agency never crossed Xi Luhan's mind before. He was just a normal college student before these things happened and messed everything he has planned. After a terrible incident happened to his beloved friend who he treated like his own brother and was brutally killed over, his emotion had pursued him to bring vengeance over his friend's death. Did the fragile boy choose a go

Son Seungwan, who has always dreamed about becoming a field agent gets the chance to become one. The only thing she has to do, becomes more difficult than she imagined it to be.