Ci prysur yw Cadi. Mae’n hoffi cael gwaith. Un diwrnod heulog mae'n helpu Mr Siocled i werthu hufen iâ mewn fan fach. Ond yn fuan mae pethau'n mynd o chwith, a rhaid i Cadi feddwl yn chwim er mwyn achub yr Ŵyl Hufen Iâ.
Cadi is a busy dog. She likes to work. One sunny day she helps Mr Siocled to sell ice cream in his little van. But things suddenly go contrary, and Cadi has to think swiftly in order to save the Ice Cream Festival.
