“Don’t Say Good Luck” is a coming-of-age melodrama in which a daughter keeps an open door as her mother faces an awful cancer diagnosis. The film centers on the relationship between Sunny Sandler’s character and Melanie Lynskey’s mother figure, blending emotional pressure with moments of tenderness.

Both outlets describe the movie as bittersweet and heartfelt, emphasizing hope alongside heartache. IndieWire frames the film as an effort to “break your heart,” highlighting its tender and honest tone and noting a musical sensibility drawn from high school life. The New York Times characterizes it as a “big break,” focusing on the performances and the story’s emotional payoff. While the reviews differ in emphasis—one foregrounds the film’s ability to elicit strong feelings, the other foregrounds its narrative and career significance—they agree on the film’s core premise: a mother’s illness reshapes a daughter’s growth, with the central relationship driving the drama.