Go Ah-sung is a South Korean actress. She began her acting career as a child actress in the movie, The Host, in 2006. She is known for the roles in the films Office (2015), Thread of Lies (2014) and Snowpiercer (2013). She is also well known for her roles in the television dramas Life on Mars (2018), Radiant Office (2017), Heard It Through the Grapevine (2015), Master of Study (2010), Beating Heart (2005) and Sad Love Story (2005).
Han Tae-joo is a modern-day forensics scientist who leads a crime investigation team in 2018. One day, while investigating a serial murder case, he met with an accident. He ends up waking up 20 years back in 1998. What happen and did he manage to get back to the present year 2018?