First Contact Despite the aerial photographs, the oil field remains hidden. Autumn arrives, and the wheat is harvested. Francois plans a gourmet celebration dinner, so Kohaku gathers Japanese boar piglets to raise on the farm for meat. While searching the photographs for a good spot to forage truffles, Kohaku accidentally locates the general location of the oil field. When they still cannot locate the oil, Senku remembers the Sagara Oil Field was originally discovered by Japanese boars bathing in oil-soaked mud. Managing to stop Francois in time, they instead use the boars as sniffer-boars who lead them directly to the oil...