Milo, a baby fox is nervous on his first day of school. To ease his anxiety, Milo's mom gives him a gold necklace with a locket containing a photo of the two of them. At school, a bully named Tank steals the locket and it falls into the river, Milo is scared to tell his mom. But instead of being upset, Mirabell shows Milo that her love for him is a gift that can never be lost, helping him feel safe and cherished.