In this epic sequel to Once & Future, Ari and her Rainbow knights
must pull off a Holy Grail heist thousands of years in the past --
without destroying their own destinies.
Ari Helix may have won her battle against the tyrannical Mercer
corporation, but the larger war has just begun. Ari and her cursed
wizard Merlin must travel back in time to the unenlightened Middle Ages
and steal the King Arthur's Grail -- the very definition of
impossible. It's imperative that the time travelers not skew the
timeline and alter the course of history. Coming face to face with the
original Arthurian legend could produce a ripple effect that changes
everything. Somehow Merlin forgot that the past can be even more
dangerous than the future . . .