Luna, Rory and Jodie are supposed to be having the time of their lives. Instead they're all completely bloody miserable.Luna thought her first year at uni was perfect - until her relationship broke up, and she realised she's completely distant from her old school friends. She's never felt so lonely.Rory's passion is art, but she wants to fit in with her sensible family, so she's signed up to study law. It sounds like the most boring thing on earth.And as for Jodie - she's put her all into getting top marks at uni, but she can't remember the last time she had a night out. Her life is great on paper, but she's exhausted. Is this the right path for her after all?In desperate need of an escape, the girls book themselves on a holiday that's meant to be perfect for solo travellers. But the idyllic resort of Casa Dorada is actually a digital detox retreat - which means NO PHONES! And that's not the biggest disaster waiting for them . . .Will it be a summer the girls will never forget - or one they'd rather not remember?