After an extended drug bender, addict Jake ventures out into the quiet streets to discover he's actually missed a terrifying global phenomenon.
Ellis' plan hits a snag, just in time for some sleepless delirium to settle in.
As Ellis heads for Dallas, Jake, Sam and Ally are diverted by a new kind of foe.
New clues converge in Dallas, while Ally attempts a dangerous reunion in Austin.
Lex shows her research to Ally; Ellis investigates a mysterious signal.
In the season finale, alliances at Dr. Abrams' facility are pushed to a breaking point; Ellis' group puts their theory to the test.
After a fortuitous drug bender saves his life, addict Jake ventures out into the quiet streets… unaware that most of the world already died in their beds. Now, battling sleepless fatigue and encroaching delirium, Jake teams with a scrappy teenager, overnight doctor and red-eye pilot to search for answers… and just maybe find a way to sleep again.
