Kate Cassidy is about to celebrate twenty five years of marriage to Paddy. But the secret she has kept all this time is about to be discovered. Erin Harris has always known that she is different from the rest of her family. Over the years she has begun to put the pieces together and now she has to discover who she really is and where she comes from. Nina Harris has always put her marriage and family before everything. But now she must face up to the truth as her daughter is prepared to run off and search for a woman she doesn't know. There is no escaping the past. Kate, Erin and Nina all have to come to terms with what happened so many years before, and to find their own way of dealing with it.