A young sailor falls in love with a mysterious woman performing as a mermaid on the local pier. As they become entwined, he comes to suspect the woman might be a real mermaid who lures men to a watery death during the full moon.
Three prospectors divide and bury their gold to safeguard it from warring Apaches. Cue a series of double crosses, triple crosses, chases, and shoot-outs as greed drives the three men to murder and betrayal.