The Empire is launching a seemingly foolish attack on the Entente Alliance in the middle of winter.  They lack the supplies to successfully invade.  Tanya realizes that this attack is a feint intended to distract from a fjord landing mission.  Sure enough, she is sent to lead the invasion of the fjords, and silence 20 cannon emplacements in time for the fleet to land and the Imperial forces to disembark.
The Empire has launched
a winter offensive on the front lines.
لقد شنّت الإمبراطورية هجومًا شتويًّا على الجبهات
El Imperio lanzó una ofensiva 
invernal en el frente.
El Imperio lanzó una ofensiva 
invernal en el frente.
L'esercito imperiale ha lanciato un'offensiva
invernale contro la linea del fronte.
O Império lançou uma ofensiva, 
no inverno, nas linhas de frente.
Райхсвер перешёл в наступление
 по всему фронту.