Wiseguy (1987)

Season 2: Episode 5

Vinnie is questioned about his connection to Don Aiuppo, thus learning his mother is dating the retired mobster. Checking into it, he finds Rudy and Carlotta were in love as teenagers, then is stunned when Rudy proposes and she accepts. Mark digs up information showing that Rudy is in the country illegally and sets him up to be deported, not knowing it means that Carlotta will leave, too. At the last minute, Rudy changes places with his brother, Tito, who wants to return to Italy. (source: http://www.plasticcow.com/wiseguy)