Little Lucu the dog has been attacked by a paralysis tick and the poison is rapidly shutting down her system. A round-the-clock watch is needed to keep this innocent victim alive. But will it be enough? Then, Lisa is confronted with a horrifying emergency as Jonti the cat is rushed in with a gaping hole in his neck. Jonti was running away from the boisterous family dog when the drama broke out. Nobody is sure exactly what happened but the shocking wound has carved throught the cat's muscles and is only millimetres away from his jugular vein. Later on, Chris is given the run-around when he is called out to help Dorothy the Emu - but how do you treat a patient you can't even catch? Helping Dorothy may turn out to be Chris' toughest case for some time.