Ghost, Cormac and Kate are junior recruits of the Black Lotus, a school for ninjas. When a powerful weapon is stolen, the three must battle through sixteenth-century Japan and present-day New York to stop a power-hungry shogun from destroying the city.
Ghost, Cormac and Kate are not like other kids. Ghost can turn invisible, Cormac can run up walls and Kate can talk to animals - all abilities which make them perfect recruits for the Black Lotus, a training school for ninjas. But when the Moon Sword - a source of unimaginable power - is stolen by samurai, the three are forced to put their new skills to the test in sixteenth-century Japan ...