France, 1970. Remy is a little mouse with a big dream: knowing how to cook. He lives with a colony of mice, in the attic of a country house inhabited by an elderly but fierce lady. Remy has a very refined taste and does not want to eat garbage, and walks only on the two hind legs, because the front legs use them to eat. For this reason, Remy is chosen as an "olfactory examiner" for the colony: whenever a mouse carries something he intends to eat, Remy sniffs it and says if the food is edible or not. This task was assigned to him after saving his father's life, who was about to eat an apple infected with rat poison. Rémy's idol is the famous French chef Auguste Gusteau, whose philosophy is Anyone can cook .....