Tucson Homicide detective Sarah Burke is just getting used to living with her boyfriend, her fragile mother, and her hard-charging niece Denny, when a baffling murder case consumes their entire household. A man seen fighting in his home during a Fourth of July parade is later found murdered. There's surprisingly little evidence in the house to identify who he was-apart from a gun and large sums of cash. Burke and her team of detectives begin to suspect that the victim had been involved in a money laundering scheme. But was the murder a matter of black market business, or something tragically personal? As an ICE investigator follows the money to an international drug cartel, Burke uncovers a trail that lead unsettlingly close to home.