S4 • E10 Sep 18, 2012 48m
All supply of antidote disappears at school. In a theft accuse one of teachers. Liza heavily experiences a break with Maxim. Andrey with friends decide once again to get down in a cave in a hope to find the source of enigmatic knock. In a secret room guys succeed to pick up a code to the lock and open one of doors. And at this time experimental treatment of Dasha results in unforeseen consequences.
