Following the break-up of her relationship and unsure of her life's direction, Marianne leaves a London still reverberating from the terrorist bombings to travel for a year with the mysterious and beautiful Sara. However, deep into the heart of chaotic and mystical India, events take a dramatic turn and, in the Holy City of Varanasi, Sara's body is discovered floating in the Ganges. As the investigation ensues, unexpected and shocking revelations cast a new light on Sara and take Marianne on a painful but vital journey to uncover the truth about her friend and also her own life.