Cigarette girl at the Surfridge Inn and sister of the slain agent Harvey. She vows revenge for her brother's death and actively assists Ned in his investigation, later developing a romantic relationship with him.
Helen is the grieving younger sister of the fallen revenue agent Harvey Leonard.
Helen and Ned develop a romantic bond that culminates in a committed relationship.
Tom and Helen work in tandem as part of the unified investigative team.
Explore the full interactive character relationship map of Dangerous Traffic