Enomoto Kei is a security "otaku" working for a security firm, devoted to improving the securities system on a daily basis. He is not an easy person to familiarize oneself with, always collected and calm, unapproachable, a maniac in Physics, Science, Architecture and profound in other basic theoretical foundation. He is certain and proud of the fact that there is no key which he cannot unlock. One day, Kei is asked to help reveal a mystery behind a locked room murderer. While he lacks any interest in solving the mystery, he is inevitably intrigued by the term, "Closed Doors" and decides to take on the position. He works side by side with Aoto Junko and Serizawa Gou, who are lawyers working at a major law firm. Junko is pure and forward, acting upon her instincts while Serizawa is a prideful elitist who sees time as money, and therefore, will not take on any job that is unprofitable. Possessing a vast amount of knowledge and acute insightfulness, Kei is able to unlock the closed doors and unravel the secrets leading to the solution. Never before has there been a drama focused solely on closed doors. It's an all new original mystery that will keep you guessing every week

During the late 16th century, a trio of ninja orphans are wandering Japan and saving people from evil by battling a villain of the week.

Someday is about four different people's story about love. Hana Yamaguchi (Bae Doo-Na) was a successful young cartoonist in Japan. Abandoned by her parents and brought up by her grandma, she was cold and aloof and did not believe in love which to her was only a simple biological response. When the elderly neighbourhood street sweeper died, she discovered the affection between him and her neighbour which lasted 60 years. Hana could not understand this kind of love, so she decided to trace her neighbour's footstep to Korea when she disappeared with her lover's ashes. Go Jin Pyo (Kim Min Joon) was a doctor who was a comic book fan of Hana. He was overjoyed in meeting Hana and believed that he was in love for the first time in his life. He decided to help Hana in fulfilling her wish to look for her neighbour and enlisted the help of a private eye, Lee Seok Man (Lee Jin Wook).Lee was the sole survivor of a car accident whereby his parents and brother were killed. He carried a lot of guilt towards the parents of the other victim and did his best to help out even at the expense of owing money to the loan sharks. Hye Young (Oh Yoon Ah) was a PD of animation projects and a close friend of Jin Pyo. she didn't realize that she was in love with him till Hana appeared. In bringing her neighbour's love story to fruition and published in print, the process changed the lives and outlook on love for these four people.

On a mission to find her grandparents, Southern girl Tulaya meets handsome Isaan Saifah who helps her in her search.

The Mermaid Beauty is the story of the carp spirit who has finally taken form of a human after 500 years of cultivation. Mudan, her good friend who often fed her while Xiao Lian was still a carp got bethrothed to Zhang Ziyou, a poor scholar. However Mudan's parents, particularly the father was set on marrying Mudan to the great General's son, Jiang Yunfei for status purposes. However, Mudan and Ziyou were mutually attracted and because Yunfei was seen as evil and scheming, Xiao Lian, the carp spirit was set on helping Mudan and Ziyou be together. Often, Xiao Lian would secretly lead them to meet but in the end, was discovered by Yunfei. Together, his father, the General and Yunfei plotted to wreck Ziyou's life by framing him in attempting to violate Mudan. Ziyou got locked away in jail and Mudan was overwhelmed with grief. The carp spirit was enraged with this act of injustice, so helps in every she could, including getting Yunfei to confess the truth. Soon, Mudan got ill after discovering the truth and feel helpless that she caused Ziyou's death. Mudan's health continues to deterrioate and the Xiao Lian's final plan was to steal the bride on the day of the wedding and bring them into the mountains so they could be together. Unfortunately, fate wasn't their side and Mudan never made it. This began the story of Xiao Lian pretending to be Mudan and ultimately, her carefree spirit, playfulness and happy nature made their days in the mountain so very fun and memorable. Xiao Lian also teaches Ziyou many things, such as how to simply enjoy life and disregard all those confinements that only ties a person up. However, happiness doesn't last long because Ziyou soon found out the truth about Mudan and accuses Xiao Lian for killing her, as he viewed spirits like her to be demonic. In the mean time, Zhang Tianshi, the Taoist was set on killing all kinds of demons, including the carp spirit. He was hunting for the Yuanping Pearl, which was with Xiao Lian's mother The question is, would Ziyou eventually accept Xiao Lian for who she really is?

Japan and Korea’s biggest names star in this big-scale drama. Nishijima Sho is a Japanese detective whose father was murdered in Korea when he was still a boy. In hopes of discovering the truth behind his father’s death, Sho is working undercover in a huge secret organization. Choi Yuna is a Korean woman who visits Japan in search of her missing father. She opens a Korean restaurant with her younger sister, but soon faces the mercy of fate. The couple meets in a corner of Tokyo and fall in love. But what waits ahead of them… A "rondo" of fate, love, and history is about to begin.

The legendary Black Rose gave up her heroic duties and responsibilities for her family. She became a homemaker, taking care of her husband and children. However her children don't understand their mom who was a hero in the past, and treated her as a woman who is cowardly and has no sense of justice. When they learn about their mother's past, they began to understand her and her efforts in the family.