In Madrid, Spain, a mysterious serial killer ruthlessly murders his victims by recreating the first appearance of several comic book superheroes. Cosme, a veteran police inspector who is about to retire, works on the case along with the tormented inspector David Valentín and his own son Jorge Elías, a nerdy young man who owns a comic book store.
A hit man named Kai flies into Bangkok, gets a gun, and orders a cab. He offers a professional female driver big money to be his all-night driver. But when she realizes Kai is committing brutal murders at each stop, it's too late to walk away. Meanwhile, an offbeat police detective races to decode the string of slayings before more blood is spilled.
A group of friends think they found the perfect easy score - an empty house with a safe full of cash. But when the elderly couple that lives there comes home early, the tables are suddenly turned. As a deadly game of cat and mouse ensues, the would-be thieves must fight to save themselves from a nightmare they could never have imagined.
Marcus and Mike are forced to confront new threats, career changes, and midlife crises as they join the newly created elite team AMMO of the Miami police department to take down the ruthless Armando Armas, the vicious leader of a Miami drug cartel.
After retiring from active duty, former elite military operative Caitlin Ross now runs a private security firm. She, however, becomes the target when her private security firm accepts a contract from a young millionaire.
Armed with only one word - Tenet - and fighting for the survival of the entire world, the Protagonist journeys through a twilight world of international espionage on a mission that will unfold in something beyond real time.