When Cole (Franco Nero) is acknowledged as a ninja master it
angers fellow ninja Hasegawar (Shô Kosugi) who feels Westerners
should not be inducted into the ancient ways. Cole returns home to
help a friend whose livelihood and family are being threatened by a
local gang looking to steal his farm and land.
When Cole stands up to the gang their leader recruits Hasegawar to
eliminate Cole forcing a final bloody showdown between the Black
and White ninjas.