Season 1 Cheo Yong OCN , 2014 Watch now Detective Yoon Cheo Yong is able to see and hear ghosts since he was born. He solves mysteries and cases with the tough female detective Ha Sun Wo and the ghost of high school student Han Na Young. Season 2 Cheo Yong 2 OCN , 2015 When colleagues of Cheo Yong discover his special ability, they solve crime by following the messages of the dead.