In a time of war and disease, a young officer gallantly tries to help a young woman find her husband.

In order to wipe out the Gaulish village by any means necessary, Caesar plans to absorb the villagers into Roman culture by having an estate built next to the village to start a new Roman colony.

Stuck in the corridors of time, Godefroy de Montmirail and his faithful servant Jacquouille are projected to a time of profound political and social upheavals: the French Revolution... specifically, The Terror, time of great dangers, during which the descendants of Godefroy and Jacquouille had their castle and all their property confiscated by arrogant aristocrats, fleeing and lifes hanging by a thread.

After reclaiming Kaamelott from Lancelot's tyrannical rule, Arthur spares his life, defying Celtic gods. Knights must prove themselves for Table Round seats while Arthur faces new threats as king.

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.

Hidden in Rome, King Arthur is planning his return to oppose the army of his former friend Lancelot.

Third and final film in the Kaamelott franchise.