Walt Slade saw the stab of red and heard the shriek of lead as twenty horses suddenly bulged from the canyon side in the moonlight. His knees clamped Shadow and the black horse went into a shifting weaving dance. Again a gun barked. Then several sixes let go at once. Slade's mind worked with the lightning speed born of a Texas Ranger's long acquaintance with danger. He was cornered. There was but one course verging on suicide but with a glimmer of hope ...