The Taisetsu Mountain Range, located almost in the center of Hokkaido Prefecture, is home to the headwaters of the Shisorapuchi River, which is very popular among canoeists. In this episode, a married couple goes down the river flush with mountain snowmelt through fresh green forests in a canoe. At times they listen to the sounds of nature during lulls in the current, while at others they skillfully negotiate thrilling river rapids. Various features of this river let the two fully enjoy the great outdoors of Hokkaido. This program also introduces several species of wild birds found along the clear waters.