Inspired by a classic Joseon legend from Korea's first collection of unofficial historical tales, about a fisherman who capture and kidnapped a mermaid, this drama tells the love story between the son of a Joseon noble family named Kim Dam-ryeong (Lee Min-ho) and a mermaid he named Se-hwa (Jun Ji-hyun).When Dam-ryeong was a kid, he almost drowned but was saved by a mermaid. Following the incident, they became friends and Dam-ryeong named her Se-hwa, after his younger sister. They ended up falling in love, but one day Dam-ryeong was forced by his family to marry another girl. Devastated by the news, Se-hwa decides to leave Dam-ryeong forever and erased all his memories of her and their love. However, fate brings them back together and they tried to escape from humans who were going to separate them. Fearing that the same ill-fate that afflicts himself and Se-hwa will replay itself, Dam-ryeong sends an artifact to be discovered in the future to try and warn his future self. The fates of...

Yoon San (Lee Joon) a private detective suddenly becomes a vampire. He tries to solve various cases while also trying to uncover the mystery surrounding himself.

After their 4 children become independent, an old couple decide to live for themselves. One day, their 4 children come back to them.

Choi Yun Hee and Han Jung Ho are a wealthy couple from a prestigious family. Han Jung Ho works at a law firm. He is a powerful man and even becomes involved with the appointment of a government official. Their reputation is suddenly turned upside down because their teenage son, Han In-sang, impregnates his girlfriend from an ordinary family, Seo Bom. Bom determined to endure the humiliation and isolation from the family for the sake of her child's futurewhile the son, Han In Sang, struggles between his love for Seo Bom and his family's high expectation. Written by Biraj Kalita

A couple faces many challenges in order to make a life together. Heo Gap Dol (Song Jae Rim) has failed the law exam many times after graduating from college, despite his best efforts to start his career. He has decided to try for the civil service examination, along with his long-time girlfriend, Shin Gap Soon (Kim So Eun), who has been working many odd jobs to try to support Gap Dol and land gainful employment for herself. Written by Chloe Diana

A devoted woman makes the ultimate sacrifice for her boyfriend, only to learn that love doesn't always conquer all. Yoo Jeong (Hwang Jeong Eum) is a sweet, upbeat person who has always stuck by her boyfriend, Ahn Do Hoon (Bae Soo Bin), all through school as he cared for a disabled father. But Do Hoon gets into a car accident that results in the death of a woman. Unable to face her boyfriend having to go to jail for a hit-and-run accident, the self-sacrificing Yoo Jeong takes the blame for the accident and serves time in prison in his place. Min Hyeok (Ji Sung), a cold-hearted heir to a business empire, had just begun to open his heart to a woman when she is killed in the hit-and-run accident. Years later, he is engaged to Shin Se Yeon (Lee Da Hee), a congressman's daughter. Can Yoo Jeong and Min Hyeok mend their wounded hearts and discover the real meaning of love? Written by Viki

Koo Seo Jin reaches an all-time low when he uses his power as a theme park director to decommission Wonderland's popular circus. Refusing to give into the demands of her frosty boss, ringleader Jang Ha Na puts up a fight, but is thrown off guard when Seo Jin's secret persona reveals itself with genuine kindness. In the battle to save her circus, Ha Na realizes she must tease out Seo Jin's brighter side with magic, wonder and love, but who's listening — Jekyll or Hyde?

During a perilous 24-hour mission on the moon, space explorers try to retrieve samples from an abandoned research facility steeped in classified secrets.