It takes only a single moment to permanently cross a line...Ellen has made a career out of helping her hypnotherapy clients understand and confront their behaviour. So when she starts dating handsome widower Patrick, Ellen is fascinated to discover that he's being stalked by his ex-girlfriend Saskia. Intrigued, Ellen finds herself longing to meet this woman - without realising she already has.Saskia has spent the last few years refusing to move on from Patrick. And if they're no longer together, then the next best thing is to get as close as possible to the new woman who has replaced her. At least then Saskia can still be part of their story.But it's a fine line between love and obsession. And when Ellen and Saskia's lives collide, both women must decide how far they are prepared to go in the name of love...