The tornado outbreak in northern Alabama on April 27, 2011, messed up life for thousands of people in and around the little town of Guntersville. The devastation was so great that some of them never fully recovered.

Liveaboards and others just visiting their boats at fictional Sunset Marina on Lake Guntersville - those lucky enough to stay afloat - find themselves cut off from the outside world for several days.

After her house is destroyed, reclusive Jenna Schultz becomes a reluctant liveaboard on her deceased husband's boat. She keeps a "Grief Journal" in an attempt to come to...