Liam O'Connor should have died at sea in 1912. Maddy Carter should have died on a plane in 2010. Sal Vikram should have died in a fire in 2026.

But all three have been given a second chance - to work for an agency that no one knows exists. Its purpose: to prevent time travel destroying history...

Hunted by cyborg assassins from the future, the "TimeRiders" must abandon New York and go on the run.

They escape to Victorian London and the streets where Jack the Ripper roams. But, before they can establish their new base, they make their most shattering discovery yet - and it will change everything...