The mystery behind Kitty's trip to far-off Japan deepens when she is attacked by a whole mess of ninjas! What do these ninjas want with Kitty? And what long-forgotten villain from Kitty's past is about to finally make his move?

Kitty Pryde and Lockheed set off to rescue his long lost love in Japen, but shortly after they arrive they find themselves overwhelmed by hordes of ninjas.