The Smile Has Left Your Eyes () is a 2018 South Korean television series starring Seo In-guk, Jung So-min and Park Sung-woong. It is a remake of the 2002 Japanese television series Sora Kara Furu Ichioku no Hoshi. It aired on tvN from October 3 to November 22, 2018 every Wednesday and Thursday at 21:30 (KST).
This 2018 Korean drama revolves around Kim Moo-young - a complex, mysterious man with a forgotten past. He meets and falls in love with Yoo Jin-kang, and although her initial impression of him is pretty negative, later she discovers that Moo-young is innocent and struggling to recognize about his past life. However, her older brother, Yoo Jin-gook, a homicide detective, suspects that Moo-young is more sinister than he lets on, oblivious to the fact that he is the key to both Moo-young and Jin-kang's intertwined history. The situation becomes more complicated when Moo-young regains his memories which leads him to find the truth about his father's death and more.
In April 2017, it was reported that tvN will be including a Korean remake of Sora Kara Furu Ichioku no Hoshi as part of its drama lineup for the second half of 2017. In May 2017, tvN confirmed the production of the remake, which will be directed by Yoo Je-won.
Seo and Jung were announced as the leads in June 2018, and Park's casting was confirmed in July 2018.
The first script reading took place in early July 2018 at Sangam DDMC, Sangam-dong, Seoul.
The series was originally scheduled to premiere on September 26, 2018 but was delayed by a week.