Once upon us(mafia)

Emani Williams is nurse and who also has a bachelor degree in computer science. She works for the Italian mafia and her life is pretty simple. She is classy lady who keeps to herself she goes go unnoticed until she is noticed by HIM.
Nicklaus Moretti is the mafia boss of the Italian mafia. He is quiet man but also ruthless killer who kills without hesitation. But he still has a shred of humanity left in him. He doesn't believe in love but he believes in something of a sort. He doesn't notice HER till he does.
What happens between the mafia boss and his employee?
Do they fall in love?