The Gardner family has traded city life for the country after they inherit a rural family estate located near Arkham, Massachusetts. Struggling artist patriarch Nathan (Cage) tries his hand at gardening yet fails to yield any desired results. That changes one evening when a small meteorite crashes in the yard. The purple-glowing orb soon withers into dust, but not before infecting the local water supply. While the effect on the crops is bountiful, the alien presence soon begins to take an ill effect on the Gardner family.