One man's determination to track down and dispatch with a rare woodpecker wreaking havoc on his house puts him on the warpath. What he discovers in his pursuit is an ecology of sight and sound that defies every natural property he's ever trusted in--and an environment far more surreal than he'd bargained for. Sapsucker interweaves bird stock footage from the University of Cornell's Lab of Ornithology with live action footage to forge a delirious vision of ultimate justice, raising questions of the fundamental faith we place in our corporeal senses and the ephemeral laws of nature and property possession we cultivate to make them real.