Tessa has just 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, and her new boyfriend, all are painfully crystallised in the precious weeks before Tessa’s time finally runs out.

泰莎僅剩數個月能活。在醫院回診、永不止盡的醫療測試、服用帶有可怕副作用藥物的夾縫間，泰莎做了一張清單。「死前必做之事」清單。清單上第一件事是性愛。這讓她從平常的診治生活中解脫，泰莎重新體驗到讓她感到生氣蓬勃，儘管她的身體已垂垂將死。泰莎的感受、她與父親、兄弟、形同陌路的母親、最好的朋友、新任男友間的關係，都在泰莎即將死去前的數周，痛苦淋漓盡致地全然體現。