Hugo has lost the love of his life and he intends to get her back by learning to play the piano for a year. Nerea, his neighbor, will be the one to help him achieve it by giving piano lessons.

‘Los Protegidos: A.D.N.’ arranca con la boda de Sandra y Culebra, uno de los eventos más esperados y que servirá para volver a reunir a la familia. En este gran día solo echarán en falta a una invitada: Rosa Ruano. Tras la celebración, los Castillo Rey decidirán poner en marcha un arriesgado plan para encontrarla. Su búsqueda los llevará a un lugar que no esperaban…

The story revolves around a woman who takes her own life in the garden of her former lover, to then later haunt him and his family as a ghost.

卡斯蒂略一家在调查淘气精灵案的过程中，发现自己卷入了一场病毒噩梦，这场噩梦让他们与一个拥有强大力量、决心摧毁圣诞节的孩子对抗。