Some secrets last a lifetime. When Becky & her mum move to the tiny village of Oakbridge Mum is hoping for a new beginning. But when Becky discovers an old photo of her mum in hospital clutching a baby twelve years before Becky was born Becky becomes haunted by the thought that her mum is keeping something from her. Stifled by her mums over-protectiveness & depressive moods Becky feels more alone than ever. The only place she finds comfort is at the beautiful local Butterfly Garden with her new friend the wild-spirited & impulsive Rosa May. But Becky cant shake off the unanswered questions. Why cant she swim? Where is her dad? Who is the baby in the photo? & why is her mum lying to her? As the two girls spend more time together however Rosa Mays unpredictable temper & possessive streak suggests that she is hiding something as well...and in the heat of the sun-drenched summer it seems that Becky is the only one in the dark.