Noh Ji Wook is a prosecutor in the Central District Prosecutors’ Office who ends up switching professions to a private attorney. He harbors a trauma stemming from an event in his childhood involving his parents and his first love. Eun Bong Hee, a Taekwondo athlete in her youth, is a prosecutor trainee who has become a murder suspect. Eun Bong Hee and Noh Ji Wook both find themselves being the focus of a killer.

After Aliens arrive, the story takes place in two time streams: 2017 and 2037. In twenty years, and by 2037, the world has been divided into a “Smart Earth” where artificial intelligence has created a utopian environment in which no diseases or crimes exist, and an “Ordinary Earth” where people still suffer from rampant plague and lawlessness.

Hyun Joo had a hard life after losing her mother to a brain tumor at a young age. It was her husband Kim Do Yeong, who saved her. However, she finds out that she will also die soon like her late mother. The fear of leaving her family in the same pain and agony she went through as a child is bigger than the fear of dying. This leads her to tell her husband, “I’ve fallen in love with someone else”, as she hides her pain. During the last moments of her life, she goes off to find true love in.

Choi Gobong is a successful hotelier who's more interested in hoarding his money than in enjoying his golden years. But in a strange turn of events, this classic scrooge gets a second chance at life when he wakes up as a younger version of himself. With no way to prove his identity, Gobong must enter his own company as a rookie and is forced to work his way up once again. With precious little time, Gobong is given the opportunity to take stock of his life — and to give love a chance.

Choi Kang-Woo is a former detective, but he now works as a veteran insurance investigator. He leads a team that attempts to reveal insurance fraud cases.

Noh Ji Wook is a prosecutor in the Central District Prosecutors’ Office who ends up switching professions to a private attorney. He harbors a trauma stemming from an event in his childhood involving his parents and his first love. Eun Bong Hee, a Taekwondo athlete in her youth, is a prosecutor trainee who has become a murder suspect. Eun Bong Hee and Noh Ji Wook both find themselves being the focus of a killer.

A competitive swimmer crosses paths with his childhood friend, a rising weight lifting star, and realizes that she has a secret crush on his cousin.

Cha Dohyeon is a rich heir to a family company with one major problem. Due to suppressed childhood trauma, he suffers from dissociative identity disorder manifested in seven unique personalities who are out of his control. In order to overcome this disorder in secret, he hires a first-year medical resident to help him heal by killing off each personality one by one.

The ambitious success stories of 6 people surrounding Prince Lee Bang Won, and the ideological and political conflict between Prince Lee Bang Won and Jung Do Jeon, the man instrumental in helping King Taejo establish the fledgling Joseon nation.

Jung Hye In is a top actress in Korea who reigns over dramas, movies, and commercials. However, her son is kidnapped on the day she announces her retirement. With the help of PD Shin Dong Wook and police detective Cha Seung In, she ends up participating in a live reality show where she follows the kidnapper’s orders, and in the process uncovers clues towards catching the culprit and finding her son.

After losing her memory in an accident, a bullied high school orphan finds herself in the place of an identical-looking girl who's gone missing.

During the period of Joseon Yeonsanjo, Hong Gildong was a hero who helped the unfortunate locals and fought against greedy governors. This legendary rebel, Hong Gildong's journey unveils his battle for love and justice.

Story of a mysterious surrogate mother who enters the home of a woman holding the secret behind her child's death.

Yoon Jung Ae raised her 4 kids by herself. Now, her kid already grown up but none of them really care about her.

Since he was a child, the board game baduk has been everything to Jang Geu-rae. But when he fails at achieving his dream of becoming a professional baduk player, Geu-rae must leave his isolated existence and enter the real world armed with nothing but a high school equivalency exam on his resume.