Seventeen-year-old Adrian Vale discovers an old silver pocket watch that belonged to his grandfather, a man who mysteriously disappeared years ago. But the watch is not ordinary—it allows Adrian to hear fragments of the future.When the watch gives him a warning about an abandoned railway station, Adrian and his best friend Maya investigate and uncover a photograph that connects Adrian’s mother to a secret organization called the Keepers.Hidden beneath the city is the Chronos Key, a mysterious object capable of revealing possible futures. Now a mysterious enemy is searching for it, and Adrian may be the only person who can stop them.As Adrian's visions become stronger, he discovers that changing the future may come with a dangerous price. To uncover the truth about his family, protect Maya, and prevent a mysterious disaster, Adrian must learn to trust what he hears—even when the future seems impossible.Some secrets belong to the past. But some belong to the future.