The Longest Road is a short, modern, marital drama, where Ava (McGinness-Whyte) is a high-profile working woman married to hard-working businessman, Zachary (Addicoat). Exploring the issues of trust and infidelity, Ava comes to believe Zachary is cheating and confronts him. The film delves into Ava's own sense of loneliness and betrayal, and her fantastical reaction to his avoidance.