The Wicked Sister

4.5 stars. The Wicked Sister by Karen Dionne is a mesmerizing mystery with an eerie setting. Twenty-six year old Rachel Cunningham has been in a mental institution for the past fifteen years. She is convinced she killed her mom, Jenny, which in turn led to her father Peter killing himself in despair. Rachel’s memories of the day of their deaths is fragmented and there are also questions about what happened to her in the aftermath of their deaths. But when aspiring journalist Trevor Lehto asks her for an interview, Rachel learns shocking information that turns her perception of what happened upside down. Determined to find answers, Rachel checks herself out of the mental hospital and returns to the family’s isolated lodge in Michigan’s Upper Peninsula. Will Rachel finally remember what happened to that fateful day? Years earlier, Jenny convinces Peter to leave his teaching position to live on his family’s 4000 acre lodge. With their daughter Diana in tow, they soon settle into their new life. Jenny is a biologist who studies the bears the that roam through their woods. But all is not well in their household because Diana is not your typical child. But Jenny and Peter hope the isolation will help them manage their willful daughter. After Rachel’s birth, Jenny’s sister Charlotte moves in with them to help care for her nieces. She is soon quite close to Diana and Jenny completely trusts her sister is following their wishes regarding her care. However, Charlotte secretly gives the girls much more freedom than either of their parents would approve of. And when Jenny make a stunning discovery about Diana, what will she and Peter decide to do? Rachel is correct in her supposition that returning home will help fill in her memory gaps. With help from unexpected sources, she tries to understand what these new recollections mean. Rachel is also trying to fly under the radar, but can she outwit her sister and aunt? Seamlessly moving back and forth in time, The Wicked Sister is a riveting mystery with a chilling storyline. The characters are well-developed but some are more likable than others. The setting is incredibly atmospheric and springs vibrantly to life. With diabolical twists and turns, Karen Dionne brings this clever mystery to an exciting conclusion. Absolutely loved and HIGHLY recommend this engrossing mystery to fans of the genre. I received a complimentary copy for review.