Maura Monti (Mireya), Amedee Chabot (Adriana), Isela Vega (Dalila) and Elizabeth Campbell (Patricia), are hit women who kill men in cold blood. But not everybody, only men who don't comply with their 'godmother' (Tamara Garina)
Mexican medical researchers are lost in a plane crash in the Amazon basin, which triggers a whole bunch of adventure-movie subplots.