Anna has been worried about feeling lonely on vacation with only her baby sister to play with. So she is delighted when she meets some new friends on the beach. And when a beautiful puppy, Sandy, joins in their games, it looks like this could be the best summer ever! But there's something about Sandy that Anna doesn't know: it's been such a long time since Sandy had an owner. Then she meets Anna, and she doesn't feel so alone anymore. But will Anna be able to give Sandy the home she's been looking for?