Falling in love is tricky for teens Juliette and Calliope: One's a vampire, the other's a vampire hunter — and both are ready to make their first kill.

Amid the drug trade on Cape Cod, a body washes ashore and is discovered by an irreverent National Marine Fisheries Service officer, Jackie Quinones, who is determined to help solve the murder even if the state cops want her nowhere near the case.