A young girl is found wandering the city alone. Who is she? Someone is killing beggars on the streets of Cork. But why? DCI Katie Maguire, Ireland's most fearless detective, must find out. But while she fights for justice for the homeless, her fiance Conor has his own crusade: against illegal puppy farming. A hugely lucrative black market run by terrifying gangs, it is a huge scandal in Ireland. Soon their freedom, their marriage, and even their lives are in danger.