Ghosts are attempting to take over the city. You can understand why this cannot happen. So, in exchange for your fearlessness and expertise you will be paid a hefty sum for catching these ghosts and ridding this innocent town of them. In order to catch a ghost you must throw a grenade in order to startle them and make them fall off their platforms. When this happens stand under the falling ghost with your special machine to suck them into your contraption. Be careful and do not let any falling debris hit you. You want to capture the ghost in as few tries as possible.