Heartstorms

Serena has gone through heartache but this time the storm heading towards her will threaten her in a way she would never have dreamed and the devastation will come in the form of her own sister--a beautiful woman who has too many secrets and no where to go--except back to Serena's house.
And besides all this, Serena's ex-husband seems to have an agenda that arouses her suspicions. Why is he suddenly seeking to restore some kind of relationship with her? Does he actually think they can become...