Behind the Mask - S1.E2

It's morning, Lily and Em goes out to find the others but when they take a shortcut over a field most covered in mud, Lily gets mud in her eye and tells Em to quick go and get water but instead of water, she finds three strangers in masks who starts to chase her. Meanwhile Josh starts to becomes friends with Saskia but Ryan is still not sure if he should trust her since she tried to steal the antidote.