Sienna Marino, an elegant, reserved young woman, has a secret. Travelling from Switzerland to visit her friend, Eliza on Pentecost Island, she is delighted when resort owner, Pippa, offers her the position as manager of , the new day spa. Sienna quickly fits into the friendship group on the island, but holds her shameful secret close to her heart. When she falls in love with builder, Danny Riccardo, she knows she cannot succumb to her feelings.