⚠️WARNING! THIS IS A BOOK ABOUT SERIAL KILLERS AND MURDER. THERE WILL BE MENTIONS OF ABUSE, SEXUAL ASSAULT, MURDER, AND OTHER SUCH SUBJECTS. PKEASE DO NOT READ IF YOU ARE UNCOMFORTABLE WITH ANY SUCH SUBJECTS. ⚠️ The Victims: All killed with antifreeze. All with shocking allegations against them. All left with a little blue butterfly on their dead bodies. The Detective: Solving the case of the century is the chance of the lifetime. But the pressure is high and the stakes are up as the victim count rises. The Killers: Two unlikely and shocking killers working together towards a sweet ending for themselves.