Coslada, near Madrid, Spain, October 2015. Hundreds of extras are trapped in a huge stage where they pretend with hysterical joy that they are celebrating a party that will be broadcast on television on New Year's Eve. But more than a week later, the clash between several staff members threatens to prolong indefinitely such a maddening nightmare.

Isi and Disi, the more thugs Leganés heavys return. This time Disi falls in love for the sexy Angie, former rock singer and girlfriend of a big shot record, Berdún. After being recognized as the most brutal band in the equally brutal contest presented by Angie, Disi not only have to save his group Ratamuerta, his friendship with Isi, and the temple of rock "The Kampana of Hell", but also rescue Angie from the clutches of machiavellian Berdún. Once again, rock triumph over evil ...