"Since time immemorial, the Haddesley family has tended the cranberry bog. In exchange, the bog sustains them. The staunch seasons of their lives are governed by a strict covenant that is renewed each generation with the ritual sacrifice of their patriarch, and in return, the bog produces a "bog-wife." Brought to life from vegetation, this woman is meant to carry on the family line. But when the bog fails--or refuses--to honor the bargain, the Haddesleys,...