A woman flees after witnessing a Mafia boss murder her blind date, and goes into hiding without alerting the authorities. When tracked down, she refuses to testify, prompting a high-stakes cat-and-mouse game as the Mafia pursues her. With the help of a deputy district attorney, she boards a train to a remote Canadian region, hoping to evade capture while keeping her identity hidden from the Mafia.

Narrow Margin
A ruthless Mafia killing sets off a chain of events when a Los Angeles Deputy District Attorney is assigned to safeguard a witness whose life is in grave danger.