You Shouldn't Have Gone To Sleep

Two killers, one victim. One killer takes care of it, while the other's pretty angry. Meet Ben and Jeff. They have no idea who the other is, but once Ben takes care of Jeff's victim for him, they stir up a fight. So many hours later, and cuts, bruises, and words exchanged, the fight ends. After that, they still haven't taken a liking to the other, but they soon become friends. And maybe something more.