Twenty years after the disappearance of her daughter, a recovering alcoholic is preparing to host her family's Christmas celebration when her estranged ex-bother-in-law arrives unannounced, bearing nostalgic gifts and a heavy secret.。TV series about a high school philosophy teacher, Merlí, who teaches in an original way, and about the students of his class, including his own son, and the relationship, friendship, love, and problems between the students of the class.。