[1] The city is plagued by a massive wave of bribery crimes initiated by gangster boss Rodolfo Cobardino.
His schemes sometimes take on outrageous proportions, like, While Mortadelo and Filemon inflict their usual share of mayhem as they investigate these cases, their antics indirectly help in putting Cobardino's operations to a near standstill.
In the final part, Cobardino tries to bribe El Super himself with a suitcase full of money to keep his meddling agents off his back.
headquarters, he is received by Mortadelo and Filemon, who unwittingly end up destroying the suitcases (and the money inside) via an automatic shredding machine, acid, a hungry goat, and even a laser mistaken for an x-ray device.
However, when El Super wonders why Cobardino would turn up to bribe him with only one coin in his pocket, Mortadelo's loose comment about a statement from Filemon that El Super would sell his grandmother for just two reals concludes the story with a furious triple chase involving El Super hunting Filemon, and Mortadelo fleeing Filemon's wrath.