Mateo Messina (Juno, Blockers, Tall Girl, Superstore, Butter, The Wrong Missy, Desperados, Barely Lethal) is attached to score the upcoming indie dramedy The Swimming Lesson. The film is directed by Casey Twenter and will star Heidi Gardner and William H. Macy. The movie revolves around a single mother who leaves behind her complicated life in Los Angeles to return to her childhood home, where she winds up embroiled in a custody battle over her autistic son who is obsessed with the ocean but terrified of swimming.