To prevent the impending death of their childhood friend, two brothers and four companions repeatedly time leap to uncover the truth behind the looming tragedy.
When computer genius Kate Keenan disappears after designing a game-changing A.I. program for Hawaiiwood Studios, two secret agents are sent to contain the threat her missing creation poses to national security.
When Natsuki Aizawa was a child, she was kidnapped which left her traumatized. Natsuki grew up relying on her friend Kentaro Yuki. She now studies physics at a university. One day, she meets newly appointed professor Shuya Tatsumi. Afterwards, mysterious events continually happen around Natsuki Aizawa. Shuya is time traveller who travels between the future and the past.
After a deadly car accident, hospital vice president Gao Gefei’s attempt to escape justice sparks an investigation that uncovers corruption, abuse of power, and hidden crimes within the medical world. Lawyer Yu Yu and psychiatrist Yu Mohan navigate moral dilemmas as the truth emerges, revealing that the tragedy was no accident.
Somebody founds a body of 40-year old woman in the park in Moscow. Police closes the case thinking that she died by natural causes. But her husband Sotnikov, who is a financial analytic and mathematic is sure that she was murdered. Having no legal or medical skills, he starts his own investigation and finds the proof of the murder but also he finds out that his wife had an affair.
Young Lucy is bereaved and sent to live with her cousins. She makes a friend in Alice. But Alice has been dead for over a hundred years and wishes to drag Lucy back in time, to play with her for eternity.
Dr. Joao Paulo Gil, a biologist, is back home looking to find answers that can save his life. He suffers from a genetic psychological disorder inherited from his father, who believed he had characteristics of a Puma. The disease is degenerative and has no scientific cure.
A 6-people high school friend group Masaomi, Sho, Runa, Daichi, Hiyori, and Haruto gathered in a luxurious Western-style building after receiving an invitation from the alumni association. They were greeted by a man who seemed to be a butler in the mansion and were pleased to see him again, but no other attendees were found. When they were wondering, a flashy man who seemed to be the owner of the hall appeared, calling himself as a Game Master and told them: "I'm going to ask everyone to play the game. Can I call it "Murder Mystery"? Find out the criminal who killed Inoue Honoka."