Burgundy, France, end of 1945. On the day of his 15th birthday, Louis receives a very special gift from his uncle Jules, who decides to take his nephew to his favorite brothel in an attempt to let him explore his new life as a grown-up man. Through the evening’s bittersweet encounters, Louis discovers the adult world in all its complexity and cruelty.
Following a fall during mistletoe picking, Druid Getafix decides that it is time to secure the future of the village. Accompanied by Asterix and Obelix, he undertakes to travel the Gallic world in search of a talented young druid to transmit the Secret of the Magic Potion.
Gaston is a new guy at the Peticoin start-up. With his delusional inventions, he will change the lives of his colleagues. Cat, seagull, cow, and gaffophone will be at the center of the mishaps of this genius laidback handyman who wants only to do good, but has the gift of annoying Prunelle, his boss. Can those Gaston's gaffes galore prevent the buy-out of the Peticoin by Mr. de Mesmaeker?