Anthropologist Joe Weber takes his son on a trip to the New England town of Salem's Lot, unaware of its vampire population. When the inhabitants reveal their secret, they seek Weber to write a bible for them.

Cash Bentley and his wife Louise lead an average upper-middle-class life in suburbia, with a nice home and two fine children. But Cash grows increasingly unsettled in his life, yearning for the glories of his athletic youth and watching them fade further in the distance with accumulating age. Louise worries about him as his difficulties with mid-life pull him further away from happiness and comfort with his family.

A chance meeting at Niagara Falls leads to a surreal romance.