When energetic Sandra finds herself in need of money, she accepts a high-paying request from school queen Brooke: to "bother" and draw out her selectively mutist brother, Milo. Facing meddling from her pushy childhood friend Ethan, the fiercely loyal Sandra stops at nothing to protect Milo. Through hilarious escapes and warm daily moments, her unfiltered vitality melts Milo's icy exterior, breaking down his walls and turning an unlikely pairing into a deeply healing, romantic journey.