Marc Francis is a paid assassin. Other than that, he's a pretty normal guy, like how he's got a little thing for the blond guy in 39D. Just a normal guy with a normal crush, until one of Marc's enemies tries to get the drop on him in the elevator, and then it's the blond cutie to the rescue: Dillon Carter, from 39D, sacrifices his potted plant to save him.
Instantly, Marc and Dillon develop a strong sexual connection. As the months go by, while they steal time together, it develops into something more. But Marc doesn’t really do relationships, and Dillon worries Marc will never be able to love him back the way he needs.
Also, when you’re a paid assassin, not everybody is rooting for your happy ever after.