Neil Mannix is the company man assigned to move a giant piece of a electrical equipment across Nyala – a turbulent oil-rich African state.

The many-wheeled transporter used to move the cargo is the huge vehicle of the title. But not only does the machine serve its intended purpose, it also acts as a focal point for the survivors of the civil war that is raging around it.

Can Mannix deliver it to its destination, or will the warring factions finally halt its progress and destroy it?