In the film, Carson portrays , a struggling singer-songwriter with Type 1 diabetes who enters a marriage of convenience with a Marine, Luke (played by Nicholas Galitzine).
: Sofia Carson co-wrote the track alongside Grammy-nominated songwriter Justin Tranter . Sofia Carson - I Didn't Know (Lyrics) (From Purple Hearts)
Purple Hearts (Original Soundtrack) - Album by Sofia Carson | Spotify In the film, Carson portrays , a struggling
: The song represents Cassie's realization that her "fake" relationship has evolved into true love. It functions as a retrospective, looking back at the "good, the bad, and the in-between" moments that defined their journey from strangers to partners. Composition and Artistry It functions as a retrospective, looking back at
"I Didn't Know" is the fourth track on the official soundtrack for the 2022 Netflix film Purple Hearts . Performed and co-written by the film’s lead actress and executive producer, Sofia Carson , the song serves as a pivotal emotional anchor for the movie's conclusion. Song Context & Narrative Significance
: Carson intentionally adopted an indie-rock sound for this soundtrack to distinguish Cassie’s musical identity from her own pop style. She described the writing process as "magical" but noted the challenge of writing from a character's perspective for the first time.