An ex-assassin and a wealthy programmer save lives via a surveillance AI that sends them the identities of civilians involved in impending crimes. However, the details of the crimes--including the civilians' roles--are left a mystery.
Eight strangers around the globe find themselves connected -- first by a violent vision, then by their shared ability to connect with one another's thoughts and actions, and finally by the urgent need to find out what happened and why.
While having to raise his three children on his own, Inspector Sam Leroy joins Brussels' Cyber Crime Unit. Confronted with new codes, he must collaborate with Billie Vebber, a former hacker who covertly pursues objectives of her own.