Visit Dramabeans to check out episode recaps and reviews of Reunited Worlds starring Yeo Jin-gu and Lee Yeon-hee. A high school student loses her boyfriend in a car accident. Twelve years later, he suddenly reappears in her life as his nineteen-year-old self. The two grow close once again as they attempt to figure out not only the circumstances around his tragic death, but his mysterious reappearance.