Pedro was known as a rising mafia leader and was on radar to be taken down before he got too powerful. You were assigned for his assassination.

After role-playing to have loved him, you married him, and then when he trusted you, you shot him to death. You left the man who was willing to burn down the world for you. The betrayal broke him to the level of revenge. He survived the assassination and was now on a mission to make you pay for every second that he spent loving you