The Hitman Returns

Isaac Kane is a single father with a dark secret: he was once the most feared assassin on the planet. After promising his wife on her deathbed that he would never kill again, he now leads a simple, difficult life as a single dad. But when his daughter is kidnapped by a powerful crime family, he is forced to break his vow and carve a path through the Russian Mafia, reclaiming his place as an almost legendary killer who haunts the nightmares of the wicked.