Love is But a Fragment of Lies (1986)

"True love is nothing but a word."

Too caught up with their work, high school teenager Tasia and her sister, Sandra, are rebelling against their parents. Fortunately, the teacher, Hangga, is able to divert their youthful passion. Tasia changes due to Hangga’s influence, and she even falls in love with him. However, Sandra is made pregnant by her boyfriend, Robby.