LAPD detective Cassidy Ryan has been living with his Dom, Zachary Teak, for nearly two and a half of the best years of his life. Brought together when a brutal serial killer targeted gay members of Zack's online BDSM club, the couple think they've put the past behind them... that is until another victim turns up, murdered in the same horrible way as before. When Zack receives a threatening note from the killer, the man convicted of the crimes becomes...