- HD 1080
- Runtime: 90m.
- Status: Released
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- Languages: th
- Country: Thailand
- Director: Parkpoom Wongpoom, Banjong Pisanthanakun
- Stars: Marsha Vadhanapanich, Witaya Wasukraipaisarn, Ratchanoo Boonchuduang, Hatairat Egereff, Rutairat Egereff
- keywords: jealousy, haunting, bangkok, thailand, flashback, twins, psychiatrist, death of sister, ghost, conjoined twins
- Production_studio: Dedicate Ltd., GMM Tai Hub (GTH), Phenomena
- Slogan: We promised to stay together forever.
- The Alone is featured in the top rankings of 2007
- #56 in Top Drama Movies of 2007
- #8 in Top Mystery Movies of 2007
- #5 in Top Horror Movies of 2007
When Pim and Ploy, twins conjoined at the stomach, are separated, the operation leaves Pim the surviving sister, haunted by Ploy's vengeful ghost.