Marcus (Xavier Samuel) and Liz (Georgina Haig), Greg (Bob Morley) and Nina (Sophie Lowe) meet for a drive. On the desolate and silent national highway, they quarreled with a huge truck and were knocked off the national highway by each other. Although he narrowly escaped, Greg suffered a serious fracture and was in danger. After some emergency rescue, Marcus temporarily bandaged his friends. At this time, they found that the truck was parked not far away, and the driver was missing. Soon the driver attacked the four men with a gun. in an emergency, they took the truck, while Marcus drove the car to a dead end in a trance. He went with Liz to ask for help, and the two were separated after a quarrel, and they each had a terrible experience. At the same time, Greg accidentally opened the door of the truck container, and his temperament seemed to change when he came out. This giant truck seems to have incredible magic, is cruelly engulfing these four young people.