 While the local fly fishing club is worried that weighted lines placed in their section of the river will mean the revocation of their charter, murder pushes the worry aside for a while. Two local fishers have been clubbed to death at the river. Barnaby and Troy set out to unravel the mystery -- which was the intended victim and which might have been killed for witnessing the crime? Was money a prime motive? Or the infidelity of one of the victims? Or was the murderer just out for revenge? Or was the poaching of fish in the river behind the deed?