Tessa has just a few months to live. Fighting back against hospital visits, endless tests, drugs with excruciating side-effects, Tessa compiles a list. It's her To Do Before I Die list. And number one is sex. Released from the constraints of 'normal' life, Tessa tastes new experiences to make her feel alive while her failing body struggles to keep up. Tessa's feelings, her relationships with her father and brother, her estranged mother, her best friend, her new boyfriend, all are painfully crystallized in the precious weeks before Tessa's time finally runs out.