Thrilling, swashbuckling piracy of the samurai

An adventurous and daring sailor sets sail to the castle of an ailing king to stop an evil premier, hungry for power and wealth, from succeeding the throne and marrying the king's beautiful daughter. Along the way, with the help of some courageous rebels and a lustful wizard, he must overcome the powers of a bewitching witch, a band of ruthless pirates, and the castle's Imperial guards. He must also free those kidnapped into slavery and restore the king's reputation.