In March 2010, 31-year-old blind graduate student Holly Bartlett was found beneath Halifax's MacKay Bridge. Police ruled her death a day later an accident. Eight years later, a private investigator reopens the case.

When Holly Bartlett was found, clinging to life, her white cane was missing. Peter Parsons wonders why it was discovered over 24 hours later ... and not by police.

Orientation and mobility specialist Peter Parsons teams with investigative journalist Maggie Rahr to track down a forensic pathologist who re-examines Holly Bartlett's medical documents.

Peter Parsons and Maggie Rahr canvas the apartment building overlooking the area where Holly Bartlett was found. It reveals some surprising information.

Police theorized that Holly Bartlett died from injuries sustained from falling off a bridge abutment she'd crawled up on. Private investigator Tom Martin tests that theory.

In 2010, Holly Bartlett's death was ruled an accident. Private investigator Tom Martin gathers Peter Parsons, Maggie Rahr and Holly's family one last time to reveal his theories.