Watch When the World Went Quiet Official Trailer

"In an infected apocalypse, two siblings chase a mysterious signal, but a reckless mistake strands them in danger, forcing them to work together before the infection closes in."

In the midst of a wasteland filled with creatures victim to a blood infection. AARON and LEXI have survived for a couple years following Aaron's rules: Stay close, Stay quiet. The two grow to find themselves in an overgrown high school, where they discover a mysterious radio signal. But to reach it, they must settle their differences and work together before the infected inside reach them first.