The titles of the good-looking time-travel romance dramas were as follows: The Signal tells the story of a modern female programmer who traveled back in time to help the government crack cybercrime. The plot was thrilling and emotional. 2 Descendants of the Sun: It tells the love story of a soldier and a doctor. The two experienced many challenges in the process of transmigration but finally came together. The special effects and action scenes of the show were very exciting. 3 "My Love From the Star": It tells the story of a love story between an alien and an actress. The plot revolved around the romance and adventure between the two. The drama was not only a romance drama, but also a sci-fi drama and an action drama. Please Answer 1988: The story of a group of young people living in 1988 in Seoul. The plot revolved around family, friendship and love. The drama was not only a heartwarming and touching drama, but also a drama that reflected social reality.