Thomasin McKenzie (JoJo Rabbit) and Katie Douglas (Clown in a Cornfield) are starring in horror film, The Rule of Three.

The synopsis reads: “Beware, Beware, The Rule of Three, It’s coming for you, like it came for me… Are Amy (Douglas) and her family plagued by a deadly curse? Every three years, death strikes under mysterious circumstances, horrifically killing family members. It’s almost three years to the day since Amy’s parents’ death, and Amy realises the curse must strike her next. With the help of her best friend Lizzy (McKenzie), the two friends try to cheat Amy’s death and find a way to reverse the curse. But is Amy’s fate already sealed? Bad things always happen in threes, so they say…”

Smile producer Temple Hill Entertainment is partnering with Protagonist Pictures on the film, which is adapted from Sam Ripley’s novel of the same name. It will be the first in a horror trilogy.

James Roday Rodriguez (Gravy) directs from a screenplay by Todd Harthan (Hulu’s High Potential) and Rodriguez.

Marty Bowen, Wyck Godfrey and Isaac Klausner will produce for Twilight and Smile outfit Temple Hill, with Hal Sadoff and George Berman executive-producing. Dave Bishop, James Pugh and George Hamilton serve as executive producers for Protagonist, in collaboration with Rodriguez and Harthan’s new shingle, Taft Tennis.

Deadline first reported on the film.