Anna Razi, wife of Tony Niven and daughter of merchant Theoharis Razi, travels with her friend, Nicole, from London, back to Greece. There, Anna plans to meet Alexandros Melas in Aegina, a man with whom she has been chatting for a year via Facebook. The two young people live a few passionate nights, until Alexandros disappears, leaving no evidence behind. The discovery of a dead woman in his room makes him a wanted murderer. Anna's disappearance a few days later will cause confusion among her relatives.
Twelve girls wake up in a secluded mansion, without knowing how or why they got there. As they realize they are locked in, the situation in the house threatens to escalate. But the mansion also harbours a dark secret. The girls are part of a medical experiment and if they don’t manage to escape they will die, one by one.
An artist named Nikitin, who had come to Odessa to shoot a film, was the victim of a completely brazen attack. Only the intervention of a police sergeant who happened to be passing by saved him from certain death.
Hamura Shou, winner of the national kendo championship, is transferred to an only boys private school. He there thinks he meets his lost younger twin brother Kai, who strongly denies this. Strange things happen at the school somehow referring to a magical world called Winfield. After re-encountering his best friend Naoto and while meeting many new friends, which each have specific abilities, he soon discovers his own inheritance and the difficult tasks ahead.
A rich heiress, Maria Sorokina, goes missing after a quarrel with her husband. Boris Novinsky, head of the police station, entrusts this case to a young detective, yesterday's intern, Alina Novinskaya, his daughter. It turns out that a maniac who strangles and disfigures young women who look like Maria Sorokina operates in the town. The search for Maria brings her husband, Mark, and Alina together. Seven years later, Alina and Mark have a strong family. But one day, Mark goes on a business trip and meets there a woman who looks like his missing wife, Maria, like two peas in a pod. Mark is unable to master the feelings that have overwhelmed him again and leaves Alina for a woman who so frighteningly resembles his late first wife. Meanwhile murders of young women are renewed in the town - a mysterious maniac, already forgotten by everyone, goes hunting again. Alina, abandoned by her husband, returns to the police work and the search for a maniac, which leads her to a shocking discovery.
Saeki Shuichi was a detective, but he quit his job. He now works at a detective agency. One day, a couple asks the detective agency to find a man named Sakagami. The man killed the couple's son and served at a youth detention center. Kogure Masato is the director of the detective agency. He tells Shuichi to work on the case. Shuichi is also part of a victim's family. When he was a child, his older sister was murdered. While Shuichi watches Sakagami, the couple asks him to find some materials which will allow them to forgive Sakagami or not.
The series tells the story of a criminal investigation into the murder of businessman Paulo Gomes de Aguiar at the beginning of August. In the midst of the Vargas government crisis, the murder case is taken by police commissioner Alberto Mattos, an honest and incorruptible man who is not well regarded by his co-workers, as the place is totally turned over to corruption.
Oslo detectives Max Sørensen and Sander Holm are called in to investigate after four young immigrant boys are found dead in an empty swimming pool. Bizarre twists in the case brings the detectives face to face with both their own demons and a dark sequence of increasingly inexplicable events.
Psychiatrist Henri Lacombe heads the National Institute of Mental Health. Day after day, his mission is to ease the suffering of his patients. His partner, Anne Beaulieu, is a consultant psychologist in a private clinic. The two deal with the ups and downs of everyday family life with their two children, Marine and William. Henri's world turns upside down the day Anne doesn't show up at the restaurant where they are supposed to meet. What happened to him?
Luo Ran has been investigating the death of his wife with his best friend Ning Yu. They end up getting onto a train headed for C City in order to chase female suspect Jiang Xue. The train suddenly derails mid-journey, and the hundred or so survivors find themselves transported to a ruined city with no living soul in sight, cut off from the rest of the world. The city is filled with dangers on all sides and supplies are dwindling. The survivors start dying off or disappearing one by one—a brutal game of survival begins.
A forensic science laboratory has had hard times due to shortage of manpower. Takashi Yuzuki is a pathologist at the forensic science laboratory. One day, a popular singer dies. An autopsy is requested for the dead singer. Powerful entities are behind the singer's death. Takashi Yuzuki tries to reveal the truth.