Adikku Kekasihku

(title translation: My Sister My Lover)

Shella is frustrated when her mother, Helen, remarries with Bob, a rich widower with one son, Andro, who studies in America. She becomes lazy in her university studies and starts hanging out with street girls. Things change when Andro arrives. The two stepsiblings fall in love with each other. They are then caught making out in the nude. Bob is furious and throws Andro out of the house, but Helen makes him tell Andro to come home. Andro is sent straightaway to continue his studies in America and Shella returns to her studies. Both are contented as they have promised to marry once their studies are finished.