When Coco moves to the seaside town where her mum grew up, she's excited to make friends and find out more about the family her mum has kept from her. What she doesn't expect is to be met with resentment from the community. Whatever secrets her mum's hiding, they run deep. But Coco is determined and her love of swimming and natural talent for freediving helps her start to break through with the ocean-loving locals. Until disaster strikes at sea... As history threatens to repeat itself, will Coco ever be able to undo the age-old rift? A quirky coming-of-age story, perfect for fans of Katy Birchall, GEEK GIRL and SUPER AWKWARD.