Oscar Isaac plays the Moonlight Knight / Mark Spate, who has a separate identity disorder and has a very different personality. He is caught in the deadly battle of the Egyptian gods. Mark Spate, a retired U.S. Marine, became a mercenary and died in the Egyptian desert. Kongsu, the Egyptian god of the moon, resurrected him and gave him strength. Specter suffers from mental illness, and he has very different personalities in different identities. One of them is a mild-mannered gift shop clerk, Stephen Grant (Steven Grant), who has long suffered from sleep disorders and can't even distinguish between dreams and reality.