On a warm Saturday in April 1995, Louise Ellis, a 46-year-old writer and illustrator leaves her Ottawa home to spend the weekend with her ex-boyfriend and his daughter in the Gatineau Hills, in nearby Quebec. She is never seen again.

November 27, 2001. St. Catharines, Ontario. Retired farmer and real estate agent Bruce Firman has his evening routine disrupted permanently. When returning home from his usual evening bicycle ride, Bruce is bludgeoned with a pipe wrench, in his own garage.

University student Ardeth Wood comes home to Orleans, Ontario - just outside of Ottawa - to spend summer vacation with her family. On a hot August day, the 27-year-old borrows her brother's bicycle and heads out for a ride, promising to be back shortly.

In Hamilton, Ontario, Art Rozendal, a steelworker and a 44-year old father of two, heads out for a typical Friday night with his wife and teenage son to meet friends at their local pub. While his wife Brenda takes a turn on the dance floor, Art goes to the bathroom and never returns.

72-year-old Toronto resident Harley Walker is missing. The typically active senior hasn't been seen or heard from for nearly a week, and his friend and former lover Greg Seale is worried.

41-year-old father of two, Wally Dekanich, is shot at point blank range on the doorstep of his North Vancouver townhouse. Police don't know it yet, but the man who kills him is the suspect in another investigation.