Deadline is exclusively reporting that Mckenna Grace and Asher Angel are set to star in Alloy Entertainment’s film adaptation of Katie Cotugno’s bestselling novel 99 Days.

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The film tells the story of Molly, who is facing one long, hot summer vacation back at Star Lake: stuck in paradise for 99 days – with Patrick, the boy whose heart she broke, and the boy she broke it for…his brother Gabe.

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Mckenna Grace (whose recent credits include Ghostbusters Afterlife and A Friend Of The Family) will be playing the role of Molly, while Asher Angel (whose credits include the Shazam! films) will be playing the role of Gabe.

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Alloy Entertainment’s Elysa Koplovitz Dutton released a statement saying:

We are so excited to see Mckenna, Asher and Martha bring this incredible screenplay to life. Molly is a character audiences will see in themselves and fall in love with.

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Architect partner Calum Gray also released a statement saying:

We are hugely excited to share ’99 Days’ with buyers. As Alloy did so brilliantly with ‘Purple Hearts’, every element of this movie is beautifully tailored for its young adult audience: a white-hot bestseller, an award-winning writer-director team who’ve delivered for younger audiences, and, in Mckenna and Asher, breakout stars of their teen generation. Shepherded by Les and Elysa, ’99 Days’ is the perfect escapist, aspirational and emotional movie for YA audiences right now.

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The project has Martha Stephens attached to direct, having adapted the screenplay alongside Shannon Bradley-Colleary. Elysa Koplovitz Dutton and Leslie Morgenstein will serve as producers. Architect will be launching worldwide sales of the film at the upcoming Cannes Film Market.