Charles Khitzhivot, a twice-lottery-winning eccentric millionaire, lives alone on the remote island of Wallis. He decides to fulfill his dream of reuniting his beloved musical duo McGwyer Mortimer, inviting them to perform a concert at his home. Among the guests are Herb MacGwyer, a former member of the duo, and his ex-girlfriend Nell Mortimer. Tensions rise as a storm cuts their island off from the rest of the world, and they must confront old resentments and inner turmoil.