Beyond Evil Monster Season 1 (Complete) (Korean Drama)

Meet the two fearless men willing to go to extreme lengths in their pursuit of a serial killer that has shaken up their quiet city: Lee Dong Sik, a once capable detective, is now demoted to perform menial tasks at the Manyang Police Substation. Just as he is beginning to settle into a peaceful life, his new superior, Detective Han Joo Won, is transferred in. Joo Won is an elite detective whose father is the star candidate for the National Police Agency’s next chief. Despite his admirable qualities and high social standing, Joo Won harbors a long-held secret.