Emi has wanted a dog for as long as she can remember. So when she gets Miki, a little Shiba Inu puppy, Emi wants to take her everywhere. There's just one problem - she has to leave Miki behind on the weekends when she visits her dad. Miki can't understand shy Emi keeps going away! When one of the trips seems longer than usual, Miki is convinced that Emi has forgotten all about her. Miki sets out on her own, determined to find her owner. But...