خلاصه داستان : تیغه جاودانه یا تیغ جاودانگی؛ فیلمی سامورایی جیدای‌گکی به کارگردانی تاکاشی میکه است. مانجی انتقام مرگ عضو خانواده خود را می‌گیرد. اما این انتقام باعث می‌شود روحش تسخیر شده و به نفرین ابدیت دچار شود…

Manji, a highly skilled samurai, becomes cursed with immortality after a legendary battle. Haunted by the brutal murder of his sister, Manji knows that only fighting evil will regain his soul. He promises to help a young girl named Rin avenge her parents, who were killed by a group of master swordsmen led by ruthless warrior Anotsu. The mission will change Manji in ways he could never imagine.