An undercover policewoman helps three female convicts escape from prison so that they can lead her to a stash of stolen diamonds hidden in a swamp. An undercover policewoman helps three female convicts escape from prison so that they can lead her to a stash of stolen diamonds hidden in a swamp. An undercover policewoman helps three female convicts escape from prison so that they can lead her to a stash of stolen diamonds hidden in a swamp. An undercover policewoman helps three female convicts escape from prison so that they can lead her to a stash of stolen diamonds hidden in a swamp.