Abandoned before birth by his father Rupert Plain rookie FBI Agent Dominic Wood finally tracks him down at a small bookshop in Massachusetts. The first thing he learns is that his father loves the author Jack Kerouac. The second is that he claims to be a werewolf. Dominic begins an illegal investigation that will risk both his job and his sanity as he follows Ruperts three decade tale of homelessness and obsession. From the cliffs of Big Sur to Kerouacs birthplace on Lupine Road their dual quest