Ji-hae's friend is having problems expressing her feelings to the boy she loves, so she asks Ji-hae to write e-mails to him in her name. As the boy falls in love with her letters, Ji-hae discovers the story of her mother's romance which is remarkably similar to her own circumstances.

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.

A mild-mannered professor moonlighting as a fake hit man in police stings ignites a chain reaction of trouble when he falls for a potential client.

When a group of friends discover how to conjure spirits using an embalmed hand, they become hooked on the new thrill, until one of them goes too far and unleashes terrifying supernatural forces.

In the near future, on a decimated Earth, Paul and his twin sons face terror at night when ferocious creatures awaken. When Paul is nearly killed, the boys come up with a plan for survival, using everything their father taught them to keep him alive.