According to Google, "That Was Then, This Is Now" is a 1985 Coming of age/Drama film directed by Christopher Cain.
It's about a troubled young man, Mark Jennings (Emilio Estevez) that had always looked up to his older friend, Bryon Douglas (Craig Sheffer). But when Bryon starts dating Cathy Carlson (Kim Delaney), Mark gets jealous, begins acting out and gets into dealing drugs. After the friends' mentor, Charlie Woods (Morgan Freeman), suddenly dies and Cathy's brother (Frank Howard) goes missing, Bryon suspects Mark is involved. As the case unravels, their friendship is put to the test.