Fugitive Family (1980)

To the world Brian Roberts looks like a successful businessman, with a lovely wife and two children all living in a dream home. Nevertheless, he has really been working undercover for the Justice Department to snare a mob boss. When his cover is blown, he has to break the news to his family about the nature of his real job and, worse, that they are now in real danger! Consequently, they are forced into the federal government's Witness Relocation Program. However, the trauma to the family does not stop there, as the gangsters he double-crossed are determined he and his family shall not escape 'mob justice.'