In addition to the romance between Cha Cha-woong, a magician and employer who handles and manages ghosts, and a passionate female police officer with occult powers, the characters will have to solve a case they coincidentally get swept up in by cooperating with ghosts to uncover clues.

Already talented and famous KPOP stars are recombined to form the ultimate new girl group like puzzle pieces. Each competition is expected to bring fresh musical resonance and lively performances.

A-IDOL is an upcoming competition show created by MBC. A-IDOL is the first AI-based K-pop audition program which features LODIA-I, an AI audition producer, to provide "fair evaluations and feedback" on the singing, dancing, style of 36 idols and reassemble the best idol team. The six groups participating in the show are considered "groups who lost their shine".

In addition to the romance between Cha Cha-woong, a magician and employer who handles and manages ghosts, and a passionate female police officer with occult powers, the characters will have to solve a case they coincidentally get swept up in by cooperating with ghosts to uncover clues.