Gaullish custom requires that a would-be chief must challenge and defeat another to become the leader of two tribes. Vitalstatistix is not perturbed because of Getafix's magic potion. Getafix, however has an accident and forgets how to make it. Then Vitalstatistix is suddenly challenged.
One little ancient British village still holds out against the Roman invaders. Asterix and Obelix are invited to help. They must face fog, rain, warm beer and boiled boar with mint sauce, but they soon have Governor Encyclopaedius Britannicus's Romans declining and falling. Until a wild race for a barrel of magic potion lands them in the drink.
Obelix falls for a new arrival in his home village in Gaul, but is heartbroken when her true love arrives to visit her. However, the lovers are kidnapped by Romans; Asterix and Obelix set out to rescue them on a dangerous journey that will involve gladiators, slavers and beauracracy - and a personal encounter with the Emperor himself, Julius Caesar...
The story opens in a Western saloon, where a young musician with a banjo begins to tell a tale of Lucky Luke and his sworn enemies the Dalton brothers: Joe, William, Jack and Averell. Luke has, once again, as he has done many times before, thrown the four outlaws into jail. The prison is also the abode of a guard dog named Rin Tin Can (Rantanplan in the original French language version).
Asterix and Obelix depart on an adventure to complete twelve impossible tasks to prove to Caesar that they are as strong as the Gods. You'll roar with laughter as they outwit, outrun, and generally outrage the very people who are trying to prove them "only human".
