Three keys from the fourth "a". Savushkina N.

Once, a secret Santa disappeared on New Year's Eve.

Leia, Agasha and Luke are the most ordinary students of the fourth “A” of the most ordinary school in the north of Moscow. Leia is engaged in figure skating and dreams of a dog, more precisely about Corgi, Agasha loves turtles, and onions - a real chess genius. Two weeks before the New Year, something incredible happens to the guys: the “Secret Santa” sends a key and the mysterious note to the SOS estate. Young detectives are sure that this is a call for help, and the heroes begin their investigation!