When Elliot, a brash 23-year-old living carefree in New York City, meets the sensible Mia and receives a damning diagnosis all in the same week, his world is turned completely upside down. But as their love blossoms amidst the chaos of his treatment, they discover that Elliot's illness is not the real test of their relationship – it's everything else.

Johnny Rock is the aging lead singer of NYC's legendary early-'90s band The Heathens, who is trying to get both his band and his life back together. The aging and broke bad-boy rocker gets another shot at fame as a songwriter for a brash and talented young singer who's a big fan of his early work.