Millionaire Mason Murphy renovates the haunted Mayhew mansion. He plans a tremendous lunar eclipse viewing party to celebrate his return to his hometown of River Ridge Iowa. At the party, magic runs out of control and the party guests are murdered one by one.
An alien comes to earth with a botanical virus, but a gutsy Arizona widow wins him over with her garden-fresh cooking, and then tries to topple the corrupt government that put him up to it.
