Plot
Sultry college dropout Annie Burroughs moves in with her older sister Marsha and proceeds to break up the relationship between Marsha and her live-in boyfriend David Mitchell so Annie can begin a sensuous love affair and have David all for herself.
Where to watch Baby Sister?
Baby Sister is a drama movie featuring Phoebe Cates.
Baby Sister is currently streaming for free (ad-supported) on FILMRISE, Freevee, Tubi TV and VUDU Free.