Two drug enforcement agents are killed on a private Hawaiian island. Donna and Taryn, two operatives for The Agency, accidentally intercept a delivery of diamonds intended for drug lord Seth Romero, who takes exception and tries to get them back. Soon other Agency operatives get involved, and a full-scale fight to the finish ensues, complicated here and there by an escaped snake made deadly by Toxic Waste!

　　在中世纪的英格兰，梅林和亚瑟王将邪恶的女妖摩根娜和她的儿子莫德雷德驱逐到宇宙的尽头。时间来到现代，为了复仇，摩根娜和她的儿子回到地球，决心摧毁亚瑟王和他的骑士的每一个后裔。