 When Getafix fails to return to the village, Asterix goes into the forest to look for him where he encounters a slow-witted merchant with a dilemma over his oxen.After benefiting from Asterix's common sense the merchant agrees to take him to the Roman camp on his cart, hidden in a pile of hay until nightfall.Having infiltrated the camp, Asterix hears Phonus plotting with a Decurion to overthrow Caesar.