In Three Bags Full, Leonie Swann uses the novel’s central conceit—a murder mystery solved by sheep—to construct a clever satire of human behavior. Compared to the sheep’s straightforward and pragmatic worldview, which prioritizes food, safety, and the flock, the complex and often irrational inner lives of humans are revealed as comically illogical. By filtering complex human emotions and social rituals through the literal, flock-oriented perspective of her ovine detectives, Swann argues that many aspects of the human experience, such as greed and revenge, are absurd and often self-destructive. 

The sheep’s observations of human grief rituals through George’s funeral and the crime scene expose them as performative, leaving the sheep confused. When the villagers gather at George’s grave, Othello notes that they are not genuinely sad but are instead “[b]lack and talkative as ravens” (74), more interested in social performance than mourning. Earlier, when Tom O’Malley leads a tour of the crime scene, his account is less an expression of sorrow than a bid for attention. He dramatically embellishes the facts, claiming George’s face was horribly distorted with his “tongue bright blue and hanging out” (35), a detail the sheep know to be false from their own forensic examination. For the sheep, George’s death is both a loss and a practical problem—who will care for them now?—but for the humans, it is an opportunity for spectacle and gossip. Through the flock’s perspective, the novel highlights the deep disconnect that often exists between human outward displays of emotion and internal sincerity.

Furthermore, the novel satirizes the human fixation on abstract concepts like wealth and revenge, which are meaningless to the sheep. The villagers’ frantic speculation about George’s will baffles the flock. While the humans are consumed by greed and the potential for inheritance, the sheep’s only concern is the appointment of a new shepherd who will provide for their basic needs. Similarly, the nocturnal raids on the caravan and the various attempts to break into it, driven by the humans’ search for “grass” to exchange for money, illustrate a human desire so abstract that the sheep can only interpret it as a baffling quest for fodder. As Ritchfield tells Heather, “The sky. The grass. The cloud-sheep. You can catch the scent of lambs. See sunlight falling on fleece. Those are the important things. You can’t have them” (81). These human pursuits, driven by the desire to “have” things, appear utterly irrational when viewed through the sheep’s pragmatic lens; they do not need to possess something to value it. 

The most pointed critique of human irrationality comes from the human characters’ self-inflicted psychological torment. In a shared drunken confession, the priest and Ham reveal that they are haunted by terrifying visions of demonic rams, which they see as manifestations of their guilt. The butcher believes a “white ram” pushed him off the cliff, while the priest is terrified of a black, four-horned demon; in fact, they have seen two actual sheep, and if they hadn’t been projecting onto the sheep due to guilt, they may have recognized them from George’s meadow. These supernatural fears also contrast with the sheep’s tangible fears of real-world threats like dogs and the butcher. This capacity for self-torture is portrayed through the flock’s perspective as a uniquely absurd human trait. Through the sheep’s clear eyes and baffled attempts to understand the villagers and their shepherd, the novel highlights the comic absurdity of the human experience.