A scientist's sophisticated computer system promises to spell an end to war on the night of Christmas Eve. But its systems may be put to the test... by the arrival of Santa Claus?!
But if the Guardian Computers 
were to make a mistake—
‫لكن ماذا لو ارتكبت حواسيب الحماية خطأً—
Was, wenn die Schutzcomputer
einen Fehler …
¿Y si las computadoras se equivocan?
¿Y si los ordenadores se equivocan?
Mais si vos ordinateurs
commettent une erreur…
Però se i Computer Custodi 
facessero un erro...
Mas se os Computadores Guardiões
cometessem um engano...
А если Страж допустит ошибку...