She witnesses Crypto killing her husband after going outside to alert her husband of a talking horse on the television. A short time later, the local Police come after being alerted by Martha's neighbours, whom Crypto kills after the two spot Crypto's saucer. Martha can be killed when she is talking to the police, although her death has no effect on the storyline. Shortly after, the Turnipseed farm is destroyed to remove evidence.
Cortex-scanning Martha's thoughts reveals that Harold is her cousin, and appears to be ashamed of marrying him, having been the homecoming queen in high school, as well as having to give up her beauty. She has two daughters (one is found near the jetty east of her house, while the second is on the highway selling produce), both of whom are Crazies, presumably due to being inbred.
- Like her husband, her model is the same as the "Farmer's Wife" model seen rarely around Rockwell and beside a farmhouse south of her house on the main highway.
- During Earth Women Are Delicious!, two Rural Females can be heard chatting about the aftermath of the Turnipseed Farm invasion, where one mentions that the police sent Martha to a mental institution afterwards, where the police called off her report on the invasion.