A happy couple's quiet evening at home becomes a living nightmare after a visit from some uninvited guests.

Jane Tennant, the first female Special Agent in Charge of NCIS Pearl Harbor, and her unwavering team of specialists balance duty to family and country while investigating high-stakes crimes involving military personnel, national security and the mysteries of the sun-drenched island paradise itself.

Fifteen years ago, two teenage girls were murdered at Merrymaker Campgrounds. The case was filed an animal attack, the camp was condemned and the killer never found - but something horrific still waits in those woods.

What did the world look like as it was transforming into the horrifying apocalypse depicted in "The Walking Dead"? This spin-off set in Los Angeles, following new characters as they face the beginning of the end of the world, will answer that question.