"A wild heart beats within New York City. Amid concrete and skyscrapers, the Wildlife Conservation Society works to preserve and protect the animal kingdom both within and beyond the borders of the five boroughs. But dangerous creatures don't always have claws and fangs, as Assistant DA Alexandra Cooper and NYPD detectives Mike Chapman and Mercer Wallace know all too well. Predators lurk close to home, and in the aftermath of the shocking assassination...

Elsa Roth is delighted with the sanctuary's five new river otters, but much less thrilled with the new volunteers, especially a sullen, troubled boy named Anson with a badly scarred face--and when the otters start going missing one of the other volunteers accuses him of stealing them, but Elsa is sure that he is not responsible, and she is determined to clear him, and find the real thief.