Oogane Michiko, who works in the planning sales department of a famous furniture maker, had a traumatic experience with her ex-boyfriend in the past. Being a railway otaku for 10 years, she uses her free time to visit train stations on local lines nationwide where she meets various people, enjoys the scenery and delicacies.

Hama Shoko is a 32-year-old single woman and a contract worker. She is not good at romance and does not have a boyfriend, but she wants to get married. For the past 2 years, she has been looking for a man to marry. Still unable to find the right guy, Hama Shoko decides to take a solo trip. While on the airplane, she meets a handsome younger man. During her trip, she happens to meet the younger man again. Hama Shoko lies to him and tells him that she is a married woman. The man tells her "let's have an affair during this trip."

Kentaro Shiba works as a veterinarian and he runs Shiba Veterinary Clinic in Tokyo. He is bright, warmhearted and easily moved to tears. Kentaro also has an adopted daughter named Hinako. Kentaro struggles over the problems of the animal owners that visits his clinic and he always meddles in other people's affairs. He frequently falls in love with the female pet owners.

The daughter of Detective Shibasaki Sachio from the First Investigation Division is found stabbed to death. He goes after the truth with Kawasumi Shigekatsu, a junior detective who respects Shibasaki as his mentor in life and is a close family friend. However, the hard work of the police is in vain and the case goes unsolved. 15 years later, Shibasaki is retired and quietly spending the rest of his life looking after his wife Miwako who is seriously ill. The situation begins to change with the establishment of a unit specializing in re-investigating unsolved cases. Kawasumi also joins them and while the case is reexamined, a man regarded as the criminal emerges. Shibasaki pursues the truth on his own. A single phone call triggers a desire for vengeance and he winds up facing a charge.

Adapted from the novel "Ryoba no Ono" (両刃の斧) by Takeaki Daimon (大門剛明).

Brilliant police officer Han Chen searches tirelessly for his lost fiancée – despite his amnesia, and despite everyone else insisting that this woman does not exist. His search leads him to Bai Jin Xi, a sunny girl working as a police detective and whose mysterious past is as full of secrets as Han Chen's own.

Wada Masao who works at an electrical manufacturer on weekdays and plays the bass in a band on weekends; having been single for the past 3,000 days, Wada sets out to create delicious dishes for his non-existent girlfriend in his imaginary world so as to earn her praise.

The mythical nine-tailed fox, or gumiho, Lee Yeon had to settle in the city many centuries ago. Able to transform into human form, he eradicates supernatural beings that threaten the mortal world. His real aim is to find the reincarnation of his lost first love.

The talented television producer Nam Ji Ah works in a show that features urban myths. In the past, her parents were involved in a mysterious car accident and disappeared, and she suspects that Lee Yeon might be connected with this accident.

The half-brother to Lee Yeon is the captivating Lee Rang. Despite being half-human himself, he harbors a deep-seated contempt for all people. For sport, he will unleash his seductive prowess upon his human-du-jour, by promising to grant them their wishes, only to trick them into paying a hefty price for their earthly desires.

Captain Puri a skillful sniper with a very firm heart found himself wavering for the first time after meeting his first love again. Dr. Napaschon was working as a volunteer doctor in a village near the border between Burma and Thailand when she along with her best friend got kidnapped by a Burmese rebel troop. His mission is to return Dr. Napaschon back to Thailand. Although his heart always pined for her but her recent status has changed Dr. Napaschon is now his friend's girlfriend. Nothing is more torturous and hurtful than giving your whole heart away to someone who has no heart left to love you at all. The biggest obstacle for captain Puri is having to be in close proximity to her again. He has been through many missions before but this mission had him thinking hard. How can he restrain his heart? Between love and friendship, what will he choose?