Tied to the Mafia boss

Emma Costello is a 19year old girl, who is the bastard daughter of Frank Costello. Frank is a mafia boss for the Costello family in Italy. He cheated on his wife Nora Costello with Emma's mother, Grace deluca.

Luca Vitiello is a 30-year-old Capo of the New York outfit. He steadily grew into an unstoppable force, after he took over the outfit after his father's death.
Grace deluca is his best friends mother, who was kidnapped when she was 20. She was already married and had his friend by the time she was kidnapped.

In a twist of fate, she fell in love with her captor and gave birth to Emma. But soon she realized her mistake and escaped. But she couldn't take Emma with her.

His friend Gio deluca made Luca promise to find and protect his sister before his death. He did not reveal the name of the guy who kidnapped his mother, the father of his step sister, before his death.

After searching for 1 and half years, Luca finally found Emma, who was promised to another man.

Will Luca save Emma, who is living a life of a maid in her fathers house?