'My name is Ari Helix and I’m the forty-second reincarnation of King Arthur. I’m trapped in the Middle Ages, with a broken Excalibur, but I refuse to be powerless.' Ari may have won her first battle against the tyrannical Mercer corporation, but the larger war has just begun. Now Ari, the cranky wizard Merlin, and their friends must travel back in time to the very unenlightened Middle Ages in order to steal the Holy Grail – the very definition of impossible. The time-travelers must also be wary of skewing the timeline and affecting the course of history. Coming face-to face with the original King Arthur could produce a ripple effect that changes everything. Somehow Merlin forgot to warn Ari that the past could be even more dangerous than the future ...