When a suspicious accident occurs at the famous Dinsmore Chocolate Factory in Sinclair, Kansas, Caroline Lang goes undercover as a factory worker to investigate the circumstances surrounding the event and how the factory treats its child workers. Oliver Dinsmore, heir to the Dinsmore candy dynasty, has his own investigation to conduct. Posing as a common worker, he aims to find out all he can about the family business before he takes over for his father. Tension mounts when the two find themselves at odds about the roles of child workers.