When a quiet night atop a bird conservatory in Central Park runs afoul, Donovan is sent off to follow another twisting murder case. With a slew of suspects, Donovan must use his skills to track down the murderer. There"s the internet-exhibitionist daughter of a famous beat poet, a pack of rollerblading hoods, a jealous husband and a pair of eccentric scientist all thrown in the mix. Anyone could be the killer.