Lester and Orville accidentally launch a rocket which is supposed to fly to Mars. Instead it goes to New Orleans for Mardi Gras. They are then forced by bank robber Mugsy and his pal Harry to fly to Venus where they find a civilization made up entirely of women, men having been banished.

تلاش فریم جانسون برای تشکیل خانواده و زندگی آرام در تومب‌استون، با تلاش یک گروه اوباش برای اجرای عدالت خودسرانه در مرزهای غربی مختل می‌شود.