Bridget Smith is a Chicago homicide Detective. She takes a trip to Miami to work with her mentor, Horatio Caine, at the Miami-Dade crime lab. After working successful cases with Horatio's team and falling in love with a member of the team, she gets a strange letter that brings Bridget back to a bad past. (PS if your wondering about the chapters names its songs that goes along with part of all of the chapter. Also most of them are 90's alternative.)

Detective Inspector Mitch Taylor is investigating a series of murders along with CSI agent Angel Morgan in Circular Quay, Sydney, Australia. Mitch tries to balance his family life, struggling to help his wife to deal with the recent loss of their baby at childbirth, while trying to solve the murders. The Police face increased pressure as the facts start to implicate some of their own. A homeless man may hold the answers, but Mitch will have to gain his trust. Crime is on the streets. Corruption and betrayal have built the walls. Trust is a myth. The circle of crime will reveal the truth.