The Great Food Explo is scheduled to open in Pickax with a bang, introducing new restaurants, country inns and food speciality shops.Unfortunately the 'bang' takes the form of a bomb which wrecks a hotel, killing the housekeeper and causing extensive damage.Enter Qwill and his Siamese cats, Koko and Yum Yum, whose instincts tell them that the murderous bomb was meant as something stronger than a warning to someone. While Qwill searches for clues, a possible witness to the bombing surfaces - who is shot to death before he can be questioned. But Qwill, Koko and Yum Yum are on the case...