Ji Chang-wook rose to fame playing the leading role of Dong-hae in daily drama series Smile Again (2010–2011), and has since had roles in various dramas, such as Melting Me Softly (2019), Suspicious Partner (2017) and Healer (2014).
Go Mi-Ran and Ma Dong-chan participates in a freezing experiment, which they are told they will be awake in 24 hours. However, something happens and they wake up only 20 years later. Are they able to find out why both of them are frozen for 20 years?
A mercenary codename “Healer” (Ji Chang-wook) who is skilled in fighting and information wars, a reporter from a tabloid news website Chae Young-shin (Park Min-young), and a famous journalist at a major broadcast station (Yoo Ji-tae) became entangled in a twist of fate.