Ruth Ross has just stepped off a plane in East Africa. She is full of expectation for the adventure ahead. However, the apparent indifference of her guide and an incident at the airport - not to mention her choice of footwear - make her question how prepared she really is.Then Ruth meets Naomi. Inspired by Naomi's vision for the impoverished of Mwanza, Ruth finds new purpose and decides to knuckle down. Meeting Naomi's son, Andi, is an added bonus. But how much does Ruth really know about him?In Africa, much as at home in Scotland, Ruth faces challenges in her work and in her personal life. Jealousy, lies, unimaginable tragedy and a life-changing choice test her as never before. Will she sink or swim?