No one is able to defend a modern metropolis against the fierce attack by laser gun-equipped giant aliens but the super-sized reincarnated General Guan Yunchang from China's ancient history.
Patriotism motivates a Chinese American painter to return to motherland after civil war. He was accused to be capitalism during Anti-Rightist Movement, which caused him to flee. He goes exile into a wild bulrush in order to avoid the hunt.