On his 50th birthday, a man who’s been watching his weight, health and temper all his life suffers a heart attack. He’s been doing everything he was told he should do and it still didn’t help. He decides to turn the page and let loose.

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.