In the fourth book in Kenna McKinnon's Annie Hansen Mysteries Series, Annie Hansen and her husband, Mark Snow, now reside in their vintage home in Edmonton, Alberta. Their 21-year-old daughter Skye, who shares her mother's mental struggles, is about to set on a thrilling journey of her own.

Skye's life takes a perplexing turn when she becomes the prime suspect in her former boss's murder. As the police investigation intensifies, Annie and Mark step in to protect their daughter, and unwittingly unveil a complex web of deceit and hidden motives.

Amidst the intrigue and suspicions, love takes center stage, bringing resolution and reconciliation to the Snow family. 'Breakthrough' is a riveting tale of mystery, love, and the enduring bond between a mother and daughter as they navigate through darkness to find the light of truth and freedom.