Make Your Selection: The End of Her by Shari Lapena

Stephanie has all she ever wanted until Erica, a woman from her husband Patrick's past, appears and makes a disturbing accusation. Patrick had always said his first wife's death was an accident, but Erica claims it was murder. Erica also knows things about Patrick, things that make Stephanie question her husband. Not sure what, or who, to believe, Stephanie's trust in Patrick begins to falter. Is he telling the truth or has Stephanie made a terrible mistake?