When Millie Brady saves Orla Hart's life, she doesn't realise how drastically it will change her own - not least because the boyfriend who is popping the question at the time promptly storms off in a huff. Actually, Millie's relieved. She's happy to enjoy a man-free summer in Cornwall. But bestselling novelist Orla has other ideas... Dropped wallets, roller-skating gorillagrams, the world's most flirtatious boss, and a helicopter in the back garden all conspire to produce a summer neither Millie - or Orla - will ever forget.