In "The Hurricane Mystery" by Gertrude Chandler Warner, the characters are puzzled by Mr. Farrier's strange behavior. His unusual actions raise suspicions among the group, leading them to wonder what could be bothering him. The children embark on an investigation to uncover the truth behind his odd demeanor, driven by their curiosity and sense of justice.

As they delve deeper into the mystery, they encounter various challenges and clues that bring them closer to understanding Mr. Farrier's situation. This journey not only reveals the reasons behind his behavior but also highlights themes of friendship and teamwork as the children work together to solve the puzzle. Ultimately, their determination helps them uncover the secrets hidden within the hurricane's aftermath.