Solstice

While on a summer trip with her friends, Megan begins to feel the presence of Sophie, her twin sister who recently committed suicide.

Solstice is a 2008 American horror film directed by Daniel Myrick and co-written by Myrick, Ethan Erwin and Martin Musatov. The film is a remake of the 2003 Swedish-Danish thriller Midsommer. It stars Elisabeth Harnois, Shawn Ashmore, Hilarie Burton, Amanda Seyfried, Tyler Hoechlin, and Matt O'Leary.