With the o­cean run­ning out of sar­dines, Tux has to tra­vel and search the od­dest pla­ces to find e­nough fish to feed his fa­mi­ly. Some­how there’s plen­ty fresh fish scat­tered ev­ery­where on land, which ap­pears to form some­thing of a trail. But where does this trail lead? Might the emp­ty o­ceans have some­thing to do with the evil pro­fit-dri­ven Se­ta­gllib, his fish farms and the re­search that goes on there in­to lab-­grown fish? There’s on­ly one way to find out: By do­ing what has to be done.