He calls himself Sanjuro KUWABATAKE (Toshiro MIFUNE) and hires himself out as a bodyguard to both groups, but actually he is carefully plotting to set them against each other
桑畑三十郎（三船敏郎）と名乗る彼は、両方の勢力に用心棒として売り込みつつ、巧みに同士討ちを仕組んでいく。