Mau e Louco (2021)

After getting an officer suspended from service, Ryu Su Yeol gets a step closer to a promotion. Oh Gyeong Tae looks for a young girl's missing mom. (Source: Netflix)

Su Yeol retraces Gyeong Tae's steps while tracking down the man in the helmet. Lee Hui Gyeom goes after a necklace that may hold crucial evidence. (Source: Netflix)

Su Yeol falls from Do Yu Gon's good graces. While searching for the necklace at home, Su Yeol finds a collection of objects that are not his. (Source: Netflix)

After ensuring Gyeong Tae's safety, Su Yeol pulls a dirty move. With Kim Gye Sik back on the force, the narcotics unit tracks down a street drug. (Source: Netflix)

Su Yeol searches high and low to prove Hui Gyeom's innocence. But the deeper he dives into the case, the closer he comes to falling into a trap. (Source: Netflix)

Su Yeol reopens a closed case. He teams up with K to investigate quietly and uncovers the opponent's weakness. Meanwhile, the body count grows. (Source: Netflix)

Su Yeol and Hui Gyeom shift focus to the head of the drug cartel. Ms. Yong threatens the police to get the seized assets back in her hands. (Source: Netflix)

Su Yeol learns that K is closely linked to his childhood trauma. A girl shows up at the police station, delirious and covered in someone else's blood. (Source: Netflix)

When bits of his memory return, Su Yeol reexamines the murder of his father. Finding similar cases, he learns one person was involved in all of them. (Source: Netflix)

As the identity of X comes to light, his deranged schemes pick up pace. He comes between Su Yeol and K by revealing K's murderous instincts. (Source: Netflix)

Su Yeol visits Shin Ju Hyeok to seek treatment, but unleashes a very angry K instead. A victim opens up after an attempted suicide. (Source: Netflix)

Su Yeol's hunt for the truth endangers those around him. He has a final face-off with the crazed killer at the place where it all began. (Source: Netflix)