Ben and Flo are jubilant after the success of their scam, their American dream is only a few bitcoins away from coming true... but they are unaware that Alkan and Veran have arrived in Ponet-sur-Mer, determined to recover money and punish the crooks. For her part, Elise collects the strange testimony of an old lady.

A chase begins between Ben and Flo and the duo of Albanian gangsters. The Oyster Festival is in full swing in the city center, an opportunity for the two geeks to escape Alkan and Veran by blending into the crowd. Elise follows up on her investigation but has difficulty being taken seriously by her superiors.

The two geeks now have no choice, they must go explore the Ile-de-France jungle, left to their own devices. Their first mission is to find a weapon. No room for error, because Alkan and Veran closely monitor Ben's parents. But the Albanians had not anticipated Elise's arrival for dinner...