Remy is an ordinary rat who dreams of becoming a chef. With the help of a garbage boy at a Paris restaurant, Alfredo Linguini, Remy tries to achieve his goal of cooking, despite rats usually being feared. Using his keen sense of smell and taste inspired by his idol chef Auguste Gusteau, Remy gets into the restaurant kitchen and, through overcoming obstacles, succeeds in cooking a ratatouille dish that everyone enjoys, fulfilling his dream of being a chef.