Elusive. Sexy. Lethal. Eternally infamous gun for hire Daisy Reyes is often referred to as all of the above, though what she's never been described as is boring. Posing as a pretty-in-pink florist by day, she doubles as a highly skilled mercenary by night, her talents frequently utilised by the likes of rich and powerful criminals. When Daisy hears that NYPD's newest and most promising detective, Riley Wolfe, has taken a particular interest in hunting her down, she will pull out all the stops to ensure her own continued survival. That includes going undercover as Detective Wolfe's newest room mate.

Marina Shah lives her life as if she's a normal person. She has a gorgeous fiancée, six outstanding friends and a job, which she loves, at her family's bakery. Every day, she spends time in a lesbian coffee shop called The Amazon, enjoying the company of her friends. Many people know Marina as an honest and kind individual, but what no one knows, including her friends and her fiancée, is that she's secretly a contracted killer. Nyx Amor could get any girl that she sets her eyes on. They were all wooed by her gorgeous looks, her suave manners and her sense of humor. If that wasn't enough, she was over-zealously wealthy. Everyone believes she's so wealthy because her parents own huge businesses in her place of birth, Melbourne, Australia. What no one knows is that she was cut off by her parents, before moving to Miami and becoming a contract killer to keep money coming in. Even though, the Marina and Nyx have never met each other, they have more in common including mutual friends and their occupation. After an invitation from their mutual friends, Nyx shows up at The Amazon and after a few cups of coffees, smirks and prolonged glares, the two of them realize that they may be falling for each other.