Jack, Layla, Sophie, Ryan and Amelia are back to school after the Christmas holiday. With the arrival of a new science teacher, things are set to change in a way that they never expected. After taking a mysterious box belonging to their new teacher, they find themselves travelling back in time. In order to get back home, they must solve clues on the box, but they may need a little help along the way. With some assistance from some very influential women, it is a race to make it back to 2019.