The Hunter children must go abroad for the summer, so reluctantly leave their three pets in the care of a friend. But the faithful animals only know they must get home again, somehow. So the labrador, the old bull terrier and the dainty Siamese cat set off on a perilous journey through the wilderness. But how will domestic animals fare against river rapids, hunger, icy temperatures and ferocious wild beasts? And if they make it home, will their owners be waiting for them?