A retired boxer intends to return to the ring for one last shot at the title, but first he must make the weight. Holed up in a room in Las Vegas with an unscrupulous trainer, he embarks on an intensive and illegal weight-cutting program.
Waking up in an unfamiliar city, a man with no memory must confront the mysteries of his own identity. However, his desperate search to uncover the past pits him against a powerful enemy, leading to a showdown that ultimately reveals the truth.