Penelope, higher generally known as Polka-Dot, is a spunky younger lady who has a knack for serving to folks, notably her ailing mom. Whereas out on the lookout for a part-time job, Polka-Dot befriends a hard-nosed police officer and his monitoring canine, Luey. When Polka-Dot's mom's situation worsens, Luey helps Polka-Dot discover the energy and religion inside to assist her transfer ahead.