To earn money for her mother's treatment, Celestine pretends to be her twin sister, Leina, and sleeps with her boyfriend, Arnold. At first sight, she falls in love.After their one-night stand, Celestine runs into Arnold. She tries to hide but he chases her, believing she's more like the girl he slept with than the real Leina. He decides to investigate, only to be told by her father that she is defiant promiscuous woman.