The obsessive Mafia ex wants me back

When Nora walked away from Roman, he was just a broke college kid begging her to stay. Three years later, he's the untouchable Mafia Don of Manhattan—and he finds her desperate for cash to save a dying child. His offer: one night, a hundred grand. Cold. Calculated. Payback. She left without a word. Now there's a two-year-old boy who calls her "Mama"—and Roman is about to find out why.