Odd Thomas is a young man who lives in Pico Mundo, California, a small town with a dark and violent past. He is a "sensitive" or clairvoyant, able to see and communicate with the restless dead. These ghosts appear in different colors depending on their purpose or message: red for violence and death, blue for guidance, and green for help.
Odd works at a local diner and spends his free time investigating supernatural mysteries and helping people in need. He is assisted by his girlfriend, Stormy Llewellyn, a waitress at the diner, and by Chief Wyatt Porter, the local police chief.
Throughout the series, Odd Thomas faces various threats from supernatural forces, including demons, ghosts, and other paranormal entities. He must use his unique abilities and his friends' support to protect himself and the people he cares about.
Odd Thomas is a complex and well-developed character, with a strong sense of justice and a compassionate nature. He is also loyal to his friends and willing to risk his life to protect them. The series of novels following Odd Thomas's adventures has been praised by readers and critics alike for its suspenseful plots and its exploration of supernatural themes.