Office

An ordinary office worker named Kim Byeong Gook brutally tragic ends his family and hides out in the office. Then the serial criminal starts picking off the employees of his company, his team members, one by one.
Lee Mi Rye, an intern at that company, is at the center of the mystery. Detective Jong Hoon hunts for the serial criminal. As he retraces his steps, the detective will be the first to uncovera peculiar work environment and unusual coworker relations.