The new case of Boston detective Dee Dee Warren started out worse than ever. Firstly, the murder to be investigated turned out to be extremely unusual and bloody. Secondly, the investigator was attacked at the crime scene, about which she cannot remember anything. Now she has a rare and very painful shoulder fracture, jeopardizing her police career. To get back on track, Dee Dee needs to get rid of terrible pain, get to her memories and find the killer. In all this, she will be helped by a person with a genetic malfunction, a scion of a terrible family...