Set against the world of a major drug cartel bust, the series follows two low-level cops who have spent far too much time in a car together; two criminals who are largely kept in the dark; two dispatch workers who haven't really clicked; and two Mexican tunnelers who are in way too small a space considering they've only just met.
The story of a couple who reunited after their love was denied 400 years ago. When Kang Hee Sun discovers a mummy in Choi Hyun Min’s home, the pair realize that they were formers lovers in a past life. Soo Hee and Moo Hyun were married but were separated due to unfortunate circumstances when Soo Hee was taken prisoner during a war.