She had to be able to look back at this as a time that was sacred, magical. There would be pain enough later. Cass and Loll used to be inseparable. They met at university and they made sense, like two halves of a whole. They had planned their lives around each other, writing down their dreams in The Big Book of Our Life – the things they wanted to achieve, the places they'd go after they finished university. But then one night changed everything. Seven years later, Loll receives a letter from her old friend. The coming year will be the year they both turn 30, but Loll might be making it to 30 alone. Cass has cancer. She wants to know if Loll still has The Big Book as her dying wish is to do everything they had planned. Little does Loll know that there is one big difference: Veronica, Cass's six-year-old daughter, will be coming with them. Time is ticking for Cass, who is desperate to make lasting memories for her young daughter and ensure that she's leaving her in good hands. But...