Flowers in the Attic is a 1987 drama film based on the novel by V.C. Andrews about four siblings who are locked in an attic by their mother and grandmother. The film explores the children's struggle to survive and escape their captivity while uncovering dark family secrets.
The typeface ITC Benguiat Medium Condensed is likely used for the movie title on the poster, which was created by Edward Benguiat for ITC in 1977. More information about it can be found here.