"Bikes vs Cars" is a documentary that explores the global crisis of climate change and the impact of private cars on cities, highlighting the struggles of activists fighting for better urban planning. Aline Cavalcante, Dan Koeppel, Raquel Rolnik, Joel Ewanick, and Ivan Naurholm share their perspectives as interview partners, shedding light on the power of lobbying and advertising that protects the car industry's interests. The film showcases a global movement towards sustainability through cycling.