Undertow n. : The current that sets seaward near the bottom when waves are breaking upon the shore.

Example:
What do you do if you get stuck in an Undertow?

Taxonomy
Undertow, Movie Site, DVD, Jamie Bell, Josh Lucas, Dermot Mulroney, writer-director, All the Real Girls, thriller, two generations, brothers.

Defination from the web:
Official site for the thriller starring Josh Lucas and Dermot Mulroney.