Brothers Sirus (Derrek Luke) and Dan (Vince Bowman), who teach karate at a neighborhood studio, have always done their best to set a good example for youngsters. But when one of the siblings' students turns up dead at the hands of ex-con Rich Nice (Hawk Henderson), they decide to launch an offensive against him and his drug-peddling gang. Decked out in full ninja gear, avengers Sirus and Dan take the law into their own hands.