As Samurai Jack fights two Shaolin monks they are surprised to recognize each others fighting styles. They take him to their secret hidden temple where Grandmaster Tan Zang points Jack towards a time portal. Unfortunately the way to the portal is heavily defended.

The young emperor is helpless against the evil of Aku. But the ancient gods Odin, Ra and Rama combine forces to forge a sword for him representing all that is good: the only weapon that can hurt Aku.