A story about the life of a mother and her two daughters; a real daughter and an adopted daughter whose fates are twisted and lives change due to the real daughter and the adopted daughter have been swapped, cause intense conflicts within the family.
The love story between a top actress and an airline director who each suffers an unusual phenomenon. He suffers from prosopagnosia, while every month she transforms into someone else for a week.
Cha Su-yeol, a police officer who has long despised his mother, the notorious 'Mantis' serial killer, must reluctantly turn to her for help when a copycat killer emerges.
No Mu-jin is a labor attorney who happens to see ghosts. After coming back from the brink of death, he begins solving labor problems requested by ghosts.
Even though Seo Dong Hee comes from a poor family background, she has a bright and positive personality. She dreams of becoming a designer and slowly works her way to achieve her dream. She decides to become the mother of her nephew and raise him by herself. She also gets involved with Kang Cha Yeol. Kang Cha Yeol’s father runs a big company. His father wants him to work for his company, but Kang Cha Yeol doesn't want to. He wants to go back to the U.S., but he realizes he can't do anything without his father's financial support. His father tells Kang Cha Yeol to work for 1 year at his company.
The historical period epic was directed by Lee Byung-hoon, known for his previous works Hur Jun, Jewel in the Palace, Yi San and Dong Yi. This marked the first television drama for actor Jo Seung-woo in his 13-year film and stage career.
At Incheon International Airport, brilliant but distant engineer Lee Soo-yeon and clumsy, idealistic rookie Han Yeo-reum cross paths as they navigate tough challenges, personal secrets, and unexpected connections in their new jobs.
Nam Shin is a son from a family who runs a large company. After an unexpected accident, he falls into a coma. His mother Oh Ro-Ra is an authority on brain science and artificial intelligence. She creates an android named Nam Shin III which looks like just like her son Nam Shin. The android pretends to be Nam Shin and he has a bodyguard So-Bong.
Lee Gwang Jae is the son of a rich family who is reckless and immature. His father dies and leaves behind large debts. Gwang Jae promises to pay off his debt for his father's honor, but it's not as easy as he thinks. Kim Young Ha supports Gwang Jae with her positive personality and love, giving encouragement to him whenever he needs it.
The police procedural tackles crimes and clues in the cyber world, weaving a massive, twist-filled mystery of murders, identity switches, corruption and conspiracy.