Niki (Leo Woodall) has a hearing condition that means the end of his promising music career, forcing him to walk through the overwhelming New York with hearing protection. Together with his mentor/father figure Harry (Dustin Hoffman), he works as a piano tuner and thus comes into contact with Ruthie (Havana Rose Liu), a music student with whom he builds a special bond. When criminals discover that Niki’s exceptional hearing can also be used to crack safes, his life takes a dangerous turn.