Three families visit the Animal Welfare League looking to give a puppy their first and forever home. A family adopting their very first dog meets a playful dachshund-terrier mix named Lane. A mom ready to overcome her fear of dogs finds herself falling in love with 3-month-old Sookie. And tennis star Mark Philippoussis and his family think a border collie mix named Davey might be the four-legged teammate they've been hoping for.