Switched at Birth (1999)

IMDB
Genre : Drama
TRAILER
Director : Douglas Barr
Stars : Melissa Gilbert, Rosanna Arquette, David Andrews, James McCaffrey
Plot : On the same night, Milford Maternity delivers Morgan--businessman James and Sarah's son--and Linda's boy Luke Wells, whose father Darryl Moncton has already left, so mother and son will live with her parents. A nurse switches the babies' nametags.