A group of rabbits in rural England face an existential threat when one of their own, Fiver, has a premonition of their warren's destruction. Led by Fiver's brother, Hazel, they decide to flee their home in search of a safer place. Their journey exposes them to various dangers, including natural predators, environmental hazards, and human-made threats. As they navigate through these challenges, the rabbits exhibit unique qualities and leadership, with Hazel's courage and Fiver's visions guiding them. The group's dynamics and individual characters are explored, showcasing their fears, hopes, and bonds with one another.

Eventually, they encounter another rabbit warren, but it's fraught with its own perils. The travelers are faced with a crucial decision: whether to settle in this seemingly secure but unnervingly mysterious community or continue on their quest for a truly safe haven. This dilemma tests their unity and ideals, underlining the themes of freedom, survival, and the search for utopia. The story highlights not only the physical journey but also the internal struggles within the group, as they confront the realities of their world and what it means to be free. Through their eyes, the film explores broader social and environmental issues, making a poignant commentary on the impact of human activity on wildlife and the natural world.