On the spur of the moment, 30-year old Alain gives up his well-paid job as a tester of computer games, but is uncertain over what do next. He takes up the offer of a place on a course to learn how to operate a bulldozer, although this means spending time away from home. During his training, he is paired up with a child-like younger man, Manu, who is passionate about wanting to drive a bulldozer but has no aptitude for the job. While his marriage starts to fall apart, Alain finds himself becoming more dependent on his relationship with Manu.

30 岁的阿兰一时冲动，放弃了收入丰厚的电脑游戏测试员工作，但他不知道下一步该怎么办。他接受了一个学习如何操作推土机的课程，尽管这意味着他要离家一段时间。在培训期间，他与一个孩子气的年轻人马努结成对子，马努对驾驶推土机充满热情，但他并不适合这份工作。阿兰的婚姻开始破裂，他发现自己越来越依赖与马努的关系。