The Central Powers want to open a direct supply connection between Berlin and Constantinople. So, they start a new offensive on Serbia to defeat them once and for all. It's an open secret that Serbias neighbour Bulgaria will soon join the war so the Serbians are in dire need of help. With no other option, the Entente lands troops in Salonika, Greece. The whole situation on the Balkans is sprialing out of controle once more. Meanwhile the new offensives on the Western Front continue while the Eastern Front cools down.
