High school senior Lucas Anderson is thrown into an adventure of a lifetime when he discovers a Temporal Rift in a nearby park. With the help of his best friend Theo Martin and brilliant scientist Dr. Sarah Williams, Lucas develops an algorithm to predict the Rifts' appearances and embarks to experience time-traveling. But when Lucas and his team come face-to-face with Alexander Worthington, a man from the 18th century with plans to rewrite history, Lucas must decide whether to alter history or allow it to remain unchanged.