Two friends, Lee Dong Min and Yoon Chul Joon, grow apart and then became bitter rivals as while playing for competing university basketball teams.

Tien-Fu Liu (a tycoon who is well connected in politics and business) and his son, Won-Tsung Liu, have been buying and selling large amounts of illicit drugs. Cheng-Hsien Lee (a police officer with the Criminal Investigation Division) is instructed by his superior officer, Yao-Wei Lee (the chief of No. One Team of the Criminal Investigation Division), to act as an undercover agent so as to investigate the illegal activities of Tien-Fu Liu and Cheng Long Group. In the police's effort to crack down on Cheng Long Group, several policemen and policewomen shed their blood; however, Cheng Long Group, with great ties in politics and business through money, is not so easy to be destroyed. In the process, Cheng-Hsien found out that Tien-Fu Liu was the person who killed his father. In the meantime, another serious crime takes place and Cheng-Hsien, who has been utterly devoted to his job, immediately engages in a battle with the criminals so as to defend justice against evil and injustice.

Takigawa Go gets the power to transform into Tetsujin Tiger Seven from an artificial heart and a magic pendent. To transform he utters the henshin (transformation) phrase "Tiger Spark".

Orihara Yuka is an artist with savant syndrome, closely protected by her mother and her cousin. When one of her works is entered into a competition and wins first place, she is thrust out into a much wider world. She meets Sawatari Toru, a bitter reporter with a hard past, who treats her as if she were normal.

Kirishima, a skilled plastic surgeon who previously used to work for the US 'Federal Witness Protection Programme'. His nickname is "Face Maker." Patients come to him seeking to change their lives, and he grants them that wish with a new face. He doesn't take money but asks for his patients' previous faces as a payment. How would you feel if you encountered someone with your former face?

An elite North Korean spy, Han Myung Wol, and her partner, Choi Ryu, infiltrates South Korea on a mission to disrupt the Hallyu Wave by kidnapping one of their top stars, Kang Woo. Despite her proficiency at her job, Myung Wol's one weakness is her uncontrollable curiosity. Hijinks ensue when she falls in love with Kang Woo instead.

Tamako, an elite lawyer with a promising future, works for a reputable law firm. She is recently given an opportunity to take a case involving a young child who has been bullied at a local elementary school. Fully aware of the difficulties uncovering the truth in cases involving schools, Tamako is reluctant to proceed with her new client. Tamako is romantically involved with one of her colleagues, Naoyuki, and is hoping to further develop their relationship. However, Tamako's seemingly happy life comes to a sudden halt when she learns the news of an accident involving a young female high school student named Asuka. Asuka had apparently fallen from a classroom window on campus and suffered serious injuries. Tamako takes a strong interest in Asuka's case and immediately launches her own private investigation.

Mahnoor, a young widow, visits his husband's grave at night despite the social pressures. That visit results in a supernatural force getting attached with her unborn child forever.