Mars has been colonized, now a world where children have been replaced by android servants known as dolls. Layla, a skilled fighter with a tragic past, travels this desolate world. Her companions are Nei, a strange and unique doll with unknown ties to Layla, and Speedy, a doll breeder. The founders of Mars see the trio as a threat to their world, and each time they attack Layla and Nei, a bit more of their mysterious past and future is revealed.