Octane, also known by the title "Dolphins," is an action romance film set in Britain. Brent Black (Karl Davies) is a young man ready to break the constraints society has placed on him and live dangerously. He finds the danger he is looking for in the form of fast cars and beautiful women, especially his girlfriend, Ophelia James (Lauren Stevenson). Adrenaline and fast-paced action is the name of the game as Brent struggles to find his place in the world of racing. Brent is also caught between two women - the girl he loves, and the one he lusts after. In addition, Brent is stalked by a mysterious man in a sleek, black car who follows him, and then ends up with Brent's girlfriend. How will Brent deal with the stalking interloper who is trying to steal his girl, and will he be ready for the street race of his life?