Katherine (1975)

A harrowing look at the 1960s and early 1970s through the eyes of Katherine Alman, a wealthy debutante who slowly, but inexorably spirals down into a fight for the causes that shook a nation, leading a path to the underground life.

Katherine is a drama movie featuring Sissy Spacek.

Katherine is currently streaming for free (ad-supported) on Cineverse, The Film Detective and Tubi TV and it's also available on Amazon Prime Video, MGM Plus, MGM Plus Amazon Channel, MGM Plus Roku Premium Channel, Paramount Plus Apple TV Channel and fuboTV.

It is also possible to buy Katherine on Amazon Video.