River's Edge Investigative Agency Okawabata

Nana and Shota are a newlywed couple and Nana is 15 years older than Shota. Nana works as a designer and Shota works as a gym trainer. They both enjoy mystery. The newlywed couple then move to an apartment and they attend a resident’s meeting there. Nana and Shota become involved in murder cases that take place at the apartment. Residents get murdered one by one. Some residents have a motive, but those suspects have an alibi. Because of this, an arrest has yet to be made.

Narrates the events and cases encountered by Kaoru Utsumi, a rookie detective, and Manabu Yukawa, a university associate professor, while the two pair up to solve many mysterious cases.

Mikoto, a forensic investigative examiner, and her partners trace down the evidence of crimes and unravel the puzzles behind mysterious deaths.

Sherlock Holmes faces a sinister case risking friends' lives. American Amelia joins, seeking her father after her mother's murder. Despite differences, they solve a conspiracy and her mother's case.

In an alternate version of the present, Tokyo has been decimated by a shocking terrorist attack, and the only hint to the identity of the culprit is a bizarre video uploaded to the internet. The police, baffled by this cryptic clue, are powerless to stop the paranoia spreading across the population. While the world searches for a criminal mastermind to blame for this tragedy, two mysterious children - children who shouldn't even exist - masterfully carry out their heinous plan. Cursed to walk through this world with the names Nine and Twelve, the two combine to form "Sphinx," a clandestine entity determine to wake the people from their slumber - and pull the trigger on this world.

A college student is shot in Central Park on July 4, 2003. The investigation connects a series of mysterious citywide fires, the downtown music scene, and a wealthy uptown real estate family fraying under the strain of the many secrets they keep.

When Frank and Joe Hardy arrive in Bridgeport, they set out to uncover the truth behind the recent tragedy that has changed their lives. In doing so, they stumble upon something much more sinister - something only the Hardy Boys can stop.

A group of ordinary people who stumble onto a puzzle hiding just behind the veil of everyday life come to find that the mystery winds far deeper than they ever imagined.

When Joni was 14, her best friend Gracie Darling disappeared during a séance. Some 27 years on, the local kids in a small town get their kicks with a game of 'Playing Gracie Darling' – but the seemingly innocent game turns sinister when another girl disappears. Joni, by then a child psychologist, returns to the town and partners with a police sergeant Jay to uncover the truth, while Gracie's sister Ruth faces a mother's worst nightmare when her own daughter vanishes under hauntingly similar circumstances.

Mother of two, Elisa, allows her daughter, Lucia, to go on an impromptu sleepover with her new best friend Josephine after meeting Josephine's mother, Rebecca, at her beautiful home. But when Elisa arrives to collect Lucia the next day, the house turns out to be an empty luxury rental and Lucia has been abducted.

Fresh out of law school, Rudy Baylor goes head to head with courtroom lion Leo Drummond as well as his law school girlfriend, Sarah. Rudy, along with his boss, Bruiser, and her disheveled paralegal, Deck, uncovers two connected conspiracies surrounding the mysterious death of their client's son.

When Lucy Albright and Stephen DeMarco meet at college, they are at that formative age when seemingly mundane choices lead the way to irrevocable consequences. They quickly fall into an addictive entanglement that will permanently alter not only their lives, but the lives of everyone around them.

University student Kuno Totono is the type who constantly questions what is taken for granted in society and develops his own theories based on his vast knowledge and unique set of values. One day in autumn, the police come to see him. His university schoolmate has been murdered at a park nearby and the police apparently regard Totono with suspicion. He is asked to come with them for questioning. In the interrogation room, the police are manipulated by Totono who tends to digress from the topic and poke at their contradictions. He even correctly guesses that one of them is troubled about not getting along with the wife and ends up giving advice. However, Totono’s fingerprints are eventually discovered on the murder weapon.

When a romantic getaway to Paris takes a dark turn with the sudden disappearance of her boyfriend Tom aboard a train to the south of France, Alice is plunged into a web of intrigue and danger, uncovering shocking secrets about the man she thought she knew.

After her mother took the blame for a tragic fire 13 years ago, Anzu plots revenge by working as a housekeeper under a pseudonym for her icy stepmother.