- HD 1080
- Runtime: 114m.
- Status: Released
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- Languages: ko
- Country: South Korea
- Director: Jeon Gye-soo
- Stars: Chun Woo-hee, Teo Yoo, Jeong Jae-kwang, Park Ye-yeong, Jeon Guk-hyang
- Production_studio: Film Dorothy, Triple Pictures, Finecut
- Slogan: A dizzying solitude on the edge of the skyscraper.
- providers: Amazon Prime Video, AsianCrush, Amazon Prime Video with Ads
Haunted by past wounds from her parents, Seo-young suffers from tinnitus and vertigo which started when she had moved to her new office in the sky a few months ago. Seo-young and Jin-su, the manager of the development team, are secretly dating, but becomes vulnerable to an unexpected provocation. Saddened by the death of his only sister, Gwan-woo navigates around a 70-story high-rise on ropes. While cleaning windows on ropes at Landmark Tower one day, Gwan-woo becomes intrigued in Seo-young who watches him in awe from the other side.