"A young girl and her mother move to an apartment in a new city. Despite her mother’s efforts to take her out, the girl would rather play by herself in their cozy home—she feels just fine on her own. Introductions to children her age have her hiding behind her mother’s legs, and invitations to group activities have her in tears. That is, until she meets Millie, a rescue dog who is not too big, not too small, and kisses her arm when the girl...