When Coco dies after five happy years with her owner Chloe, she thinks her tail-wagging days are over. But Coco can't bear to stay in the afterlife as she watches Chloe's world crumble. Taking pity on her, the Puppy God grants Coco's wish to return. Now, she's a human child who gets adopted into Chloe's family. Unfortunately, she discovers that reaching Chloe's heart is harder than any trick she's ever learned. Can she fetch the joy Chloe has lost, or has their bond slipped away like a leash?