At Animal Ark, Mandy Hope helps her parents treat animals of all shapes and sizes. Even outside the clinic, Mandy can't resist helping any animal in need.

One night, Mandy finds a distressed golden retriever tied up outside Animal Ark--with no sign of her owner. The dog is expecting puppies, and it doesn't look like there's long to wait! Who would leave a pregnant dog on a stranger's doorstep? Mandy can't believe anyone could be so cruel!

Can she find the dog's owner before the puppies arrive?