Diego Lombardi; The Hitman

Diego Lombardi was hired by a powerful wealthy hotel tycoon to kill his fiancé, Crystal, who he claimed was having an affair and stealing from him.
As Diego followed Crystal around town, watching and observing her actions, he felt she may be innocent of what she's being accused of and decided to protect her and get her out of harm's way.
While being on the run and the time he spent with her, he grew fond of the woman and ended up falling in love with her.