Best laid plans.

Natalie Hall (ex-Colby) will be seen in the movie “Plus One” next year. Per Deadline, the thriller centers on the party of the decade that is disrupted by a mysterious phenomenon. Violence and chaos ensues.

“Plus One” is written and directed by Dennis Iliadis, who helmed “The Last House on the Left,” and also stars Ashley Hinshaw (“About Cherry”) and Rhys Wakefield (“Home and Away.”) It is slated for a 2013 release.

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– Lori Wilson