At a music academy, veteran Professor Victor faces challenges as he prepares to conduct his final concert with a choir of children who lack passion for music. The arrival of the academy director complicates matters, and Victor learns of his dismissal just before the performance. Determined to overcome adversity, Victor, with the help of former student Angelica and the child Albert, manages to lead the choir to a heartfelt performance, rekindling their connection with music.

Jaime, a nostalgic old man, gets a device that can make him relive his memories, which he uses to see the last Christmas he lived with his family in 1995. This will show him that all memories have a price.