Overwhelmed with grief at the murder of their father, Ameca and Fraya jump at an almost unbelievable chance to return him to life. They must return to their world with three Mythranian companions - Artrayor the Elf, Delar Prince of Trenaria, and Gravellux, High Magi of Mythrania. Together they must seek and locate a magical artefact that has the power to return life to the dead.But all is not as they left it on their world. Their mother is missing, and so are they according to the local newspapers, a complication that has triggered a massive police hunt that threatens their mission.As well as this, the foul High Priest Bellatrix is tracking them, happy to let them find the artefact that can also be used for evil as well as good. He plans to use it in conjunction with 21st century satellite technology to transform the population of the planet into the Scelestus' deadly shock troops - the ferocious Werethralls.Ameca and her sister must avoid the police and the minions of Bellatrix to achieve their aim, but there is one final complication. Who is the insidious Rex-Ultar, and why does he want to revenge himself on the girls?