A Florida real estate developer and her captain lure investors to a property in the Everglades called Dreamland Shores, under false pretenses that the swampland will soon be developed. After the group arrives on a small island, they find it has been overrun by giant mutated ants, brought on by the dumping of toxic waste in the area. Con artist Marilyn Fryser tries to sell bogus real estate deals in an area overrun by giant ants.