35-year-old Audrey, the only survivor of a mysterious serial killer who raged in the Biarritz region 16 years earlier, is brutally taken back to her past by a new crime: a 17-year-old girl is found murdered on the Basque coast. Nothing links this murder to the series of crimes committed in the early 2000s by the "Itsas Killer," but Audrey is certain that Itsas is back.
Nara goes to visit Rain Castle Hotel and Resort which is owned by her boyfriend Rain. Strange things to start to happen as Rain has a secret of his own and perhaps a dark and dangerous past.
Haunted by flashes of a tragic past, a private investigator, Meenakshi Iyer, aka P.I. Meena, starts investigating what seems like a routine hit-and-run case, only to discover that there's more to it than meets the eye and becomes entangled in a web of conspiracy that is tearing apart the worlds of everyone who comes close to it.
Clad in her wedding dress, Izumi , a teacher at Seishun High School is found stabbed to death and floating in the school`s rooftop pool. A student confesses to being her murderer to Hibino Meina , class 3C`s president and Goshima, the detective in charge. Noting inconsistencies with their supposed methodology and an incomprehensible motive, this student`s confession is quickly ruled out , only to have another one immediately step forward to take responsibility for the crime. Why are her students claiming to be guilty? And how did she happen to be in her wedding dress?
Ex-cop Zhang Haifeng discovers new clues about his daughter's death while investigating a serial murder case. After a fatal encounter, he wakes up in the past, just before his own death. Using this second chance, he races to unravel a decades-old conspiracy and alter his daughter's fate.
Due to a childhood head injury, the investigator of the IC Alexey Platov is unable to feel feelings. He grew up calm, reasonable and lonely. It would seem that this is an advantage in his work, but the lack of any emotions does not give him the opportunity to build normal relationships with colleagues and superiors. One day Platov goes to businessman Miller to get dirt on influential people of the city and his colleagues from the UK, but finds him in a pool of blood, who died an obviously violent death. One of the police officers who arrived on call turns out to be Lieutenant Polina Lavrova. From that moment on, she, along with the emotionless Platov, begins to fight corruption in the local IC and the police.
In August 2019, five friends disappeared while walking the Camino de Santiago. Their trail was lost in the Irati Forest, very close to the border with France. Two weeks after their disappearance, the police found their mobile phones buried in the middle of the mountain, along with their backpacks and various personal belongings. Thanks to the recordings of the devices, it will be possible to see what happened to these five young people.
Takumi, Mari, Masato, and many other people who work at Kikuchi Cleaning Shop are leading their daily lives as usual. One day, a customer visiting the store is suddenly killed by someone, they need to try to find out who the murderer is...
Han Qing is a female police officer and part of the Criminal Investigation Team. She is a hard-working woman who only cares about her work. She has had a good working relationship with her partner, Zhong Wei, for many years. However, two months ago, Zhong Wei disappeared after following a suspect. Han Qing has ever since been looking for any clues as to what has happened to him.
During the investigation of a new case, Han Qing stumbles upon a connection to Zhong Wei's disappearance and gets pulled into a network of organized crime.
In 2005, Kang Moon-Jae (Lee Hyun-Woo) is a high-school student and a trouble maker. Since his mother remarried, Kang Moon-Jae has lived with his father, Kang Ka-Deuk (Ahn Nae-Sang), but he can't get along with him. One day, Kang Moon-Jae runs away on his motorcycle and gets into an accident.
He then finds himself in 2015 and learns that his father is in a comatose state. Ka-Deuk got into an accident trying to find his son. Kang Moon-Jae decides to go back to 2005 to change the future.