A young Calgary woman goes missing for days. Her grandmother felt something wasn't right. She called Taylor Toller's friends and family and even reported her missing to police. But there was no sign of the 24-year-old. Meanwhile, a call to 911 led police across town where they discovered a couple in their 50's dead in their home. Learn the tragic connection between the two cases and follow along as police uncover evidence of a senseless killing spree.

Two Eritrean refugees looking for a better life in Canada are murdered. First, 55-year-old Nighisti Semret is stabbed to death walking home from her night shift in October 2012. Then in the spring of 2013, the dismembered human remains of 28-year-old Rigat Ghirmay are discovered by a dog walker in a west-end park. We track the twists and turns of this remarkable investigation by Toronto police. A whodunit that deeply impacted those who worked on it, and those who'd been helping these women start their new lives in Canada.