"Meet Ali Dawson, a police officer working on crimes so old--the joke goes--that they are not only cold but frozen. The team's office is in a grimy part of the city, yet Ali's work seems like a safe desk job. But what her friends--and even her beloved son--don't know is that the cold case team has a secret: they can travel back in time to look for evidence. So far, Ali has only made short trips to the recent past, so she's surprised when she's asked to investigate a murder in 1850. The killing has been pinned on an aristocratic patron of the arts and antiquities, and member of a sinister group called The Collectors. She arrives in the Victorian era during a mini ice age to find another dead woman at her feet"--