The Gameplay:
Play towards or against the player character's (Justine's) interest while multitasking dialogue, car driving and pathfinding trying to not have an accident with the other road users. (Or bash into everything you can see)
The Playground:
A road landscape with buildings and streets that are driveable and follow no set natural physics, culture or order.
The Story:
Help (or don't help) your character Justine to earn her salary by taxi-driving your passengers to their desired locations.