A24 has just picked up domestic rights to Lynn Shelton's Laggies starring Keira Knightley, Chloe Moretz, and Sam Rockwell. The film, written by first time screenwriter Andrea Seigel, had its Sundance premiere on Friday. The film also co-stars Ellie Kemper, Mark Webber, Jeff Garlin, Gretchen Mol, and Kaitlyn Dever. A24 is planning a summer theatrical release for the film.

Laggies was produced by Anonymous Content and The Solution Entertainment Group, in association with Merced Media Partners, Palmstar Media Capital, and Penlife Media. Producers are Alix Madigan, Rosalie Swedlin, Steve Golin, Myles Nestel, Kevin Scott Frakes, and Raj Singh.

The deal was brokered by UTA Independent Film Group and CAA. The Solution is handling international rights on the film.

Related: Keira Knightley to Replace Anne Hathaway in Laggies

Laggies is a coming of age story about a 28 year-old woman stuck in permanent adolescence. Unable to find her career calling, still hanging out with the same friends, and living with her high school boyfriend, Megan must finally navigate her own future when an unexpected marriage proposal sends her into a panic.