Kathakku Pinnil (English: Behind the Story) is a 1987 Indian Malayalam crime drama film directed by KG George and scripted by Dennis Joseph, based on the story by George. The film stars Mammootty and Devi Lalitha in lead roles, with Lalu Alex, Thilakan, M. G. Soman and Jagathy Sreekumar appearing in pivotal supporting roles. The film had musical score by Ouseppachan. The plot develops through a woman (Devi Lalitha) narrating her own traumatic life story to a playwright (Mammootty), which is about Vanitha, a young lady trapped by the society into doing a crime she had no choice but to do.