I enjoyed this drama very much.though a known genre of body swapping. Its different as two fls swap their bodies here.both fls did amazing job.humour was situational. Amuzing to watch choi jin hyuk in drama with comedy touch.his self talk in mumbling serious tone give my stomach giggles. Fls friend and mls investigator colleague also added their own comedic element. Though a murder mystery plot,very humourous script.a little twist was there as compared to usual murder mystery k drama killers identity. Don't watch if u want pure crime investigation drama with serious plot.