Cloistered Nun: Runa's Confession (1976)

Plot

Sisterhood carries profound weight in Runa's journey. Before embarking on a mission to Africa, Runa reconnects with her estranged sister—three years after she took Runa’s boyfriend. Seeking reconciliation, Runa aims to assist her sister in selling convent property to finance her wedding. Meanwhile, the ex-boyfriend and sister concoct a story of romance to manipulate Runa into closing the deal. As Runa’s sister entices wealthy men for large gifts, flashbacks reveal Runa’s own sexual awakening within the convent. Ultimately, Runa's motivations for sealing the property deal remain shrouded in mystery.