In "Toy Story 4," Woody, Buzz Lightyear, and the rest of the toys face new challenges when their owner, Bonnie, creates a new toy named Forky. Forky struggles with his identity and purpose, leading Woody to help him understand what it means to be a toy. The adventure takes them on a road trip where they encounter old friends like Bo Peep and new characters such as Duke Caboom. Throughout the journey, Woody grapples with his loyalty to Bonnie and his desire for a new life, ultimately discovering the importance of friendship and belonging.