Late Night Hospital(2011)

Late Night Hospital is a South Korean thriller series following Heo Joon, a doctor whose wife is murdered before his eyes by an unknown assailant. Devastated and driven by vengeance, he abandons his position at a prestigious university hospital to hunt down her killer. Heo Joon establishes a clandestine late-night clinic as an elaborate trap to lure the murderer into his reach. Hong Na Kyung, a skilled surgeon, joins his operation at the clinic. As Heo Joon orchestrates his dangerous plan, the series explores the psychological toll of grief and obsession, blurring the line between justice and revenge. The clinic becomes a pressure cooker where secrets unravel and the hunter risks becoming the hunted.