Koch and his school set out on a long voyage. After a season, he returns home to find turbidity hovering over where his reef once stood. Fluttering away the dirty water, Koch reveals only desert floor and mud remain where their homes once resided and that their reef had been attacked by spiders searching for food. In Koch and fish from the school, there was a new purpose - that no matter what, do not drive dinner guests out of their homes, drive them to the reef instead...