Time travelers

"Reminiscing of their time at MOA, Athena and her BFFs, the Goddess Girls, have very different versions of what really happened on Athena's first day at school. Athena decides the four girls should travel back exactly one year ago to see what really happened using a time-travel spell. Easy-peasy, right? Wrong. Somehow, Athena manages to time-travel the girls back a year -- but to ancient Rome instead, where they meet the Roman equivalents of, wel...