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… A time wave has struck that alters the entire history of the American Civil War. Abraham Lincoln has ...