I saw this movie maybe 5 to 10 years ago. It's about a single mother with three kids; two girls, one boy. Whose kids are taken away while she is in prison. She doesn't realize they have been taken away until she is released and by then the kids files have been lost in the system so she can't get them back. Later she remarries and has a new son. However, her new husband is an alcoholic so she divorces him. When her youngest son is a teenager he dies in a car crash. Many years later she is reunited with her three kids who are all adults now.