The story follows a genius doctor named Kang In Kyu (played by Go Kyung Pyo), who was sent to prison by unknown forces and is now out to get revenge against those who wronged him. Another veteran doctor by the name of Go Jung Hoon (played by Jo Jae Hyun) attempts to reach out to Kang In Kyu, as the two become tangled in a series of mysterious events. The drama will go back and forth from the present, to Kang In Kyu's time in prison. 

Also starring Jeon So Min, Jin Yi Han, and more, 'Cross' premieres this January 29 at 9:30 PM KST. Does the story sound interesting?