Years ago, Laura lived a time of glory turned into a legendary singer of Spanish rock. However, Laura ended up ruining her career and today she lives retired in a nursing home. There, Laura tries to cheer up her classmates and create a folk band, very much in spite of the objections that Marta, the center's director, has about it. But one day, Laura's life will turn around again. Jaime, a grandson that Laura did not know he had, decides to visit his grandmother and ask him to teach him to be a great rock musician. Laura decides to help Jaime and write a song so that her grandson can attend a Rock contest, however, to participate they need an indispensable requirement: form a band.

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