Sara Paxton Pictures: Sara Paxton arrives on the red carpet at the "Shark Night 3D" Los Angeles movie premiere held at Universal CityWalk on September 1, 2011 in Universal City, California.

Seven friends who are spending a weekend at a lake house discover the waters are infested with sharks.

"Shark Night 3D," starring Sinqua Walls, Chris Carmack, Joel David Moore, Sara Paxton and Dustin Milligan, opens in theaters nationwide on September 2.

Photo credit: Tina Gill / PR Photos