Kevin returns from a mundane trip with a souvenir he never expected: a minor Celtic deity named Abandinus who insists on managing his life. Kevin seeks a normal existence, but his new divine companion possesses an agenda that frequently clashes with human logic and social norms. The narrative follows Kevin as he navigates the chaotic consequences of having a god intervene in his daily affairs, often resulting in unintended and high-stakes complications. The story utilizes a lighthearted tone to explore the friction between mortal desires and supernatural interference.

Readers frequently highlight the humorous tone and the inventive premise of the story. Discussion often centers on the chemistry between Kevin and the deity, noting how the author balances the absurdity of the situation with grounded character development. Critics appreciate the pacing, which maintains a consistent level of engagement throughout the narrative. Many readers find the integration of mythology into a contemporary setting to be a notable strength of the work. The book is often cited for its ability to provide an entertaining experience without relying on overly complex world-building.