The contaminated fruit of a single tree sets off a shocking chain of events within a 24-hour period; illness and panic spread through the group, bringing into question whether anyone will make it to Day 40.
Ryan separates from the group and finds his camp circled by a deadly animal while he is sick and helpless.
As deadly predators begin to close in on the remaining survivalists, they must find the energy to secure food and start their long journey to extraction.