CBS has released a new plot synopsis for the next episode of Survivor: San Juan del Sur, revealing that the upcoming tribe swap will leave one castaway on a tribe with three pairs.

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The episode, titled Blood is Blood, features a tribe swap, evening the numbers at seven vs. seven.

"After a surprising tribe swap, the game gets complicated when one castaway is stranded on a tribe with three pairs of loved ones," the synopsis reads. "Meanwhile, the other tribe is forced to negotiate for their next meal as a result of mismanaged portion control."

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Thus far in the game, several castaways have emerged as potential power players, with Josh Canfield essentially leading the Coyopa tribe and Jeremy Collins and his alliance of girls (Julie McGee, Kelley Wentworth, Missy Payne and Natalie Anderson) leading Hunahpu. However, this could all change after the tribe swap and any one of them could be be out if they get stuck in a bad situation.

And on the flip side, Dale Wentworth, who is without an alliance on Coyopa might be in a power position if he gets back with his daughter Kelley. Similarly, Jon Misch, Keith Nale and Reed Kelly founds themselves on the outside during Wednesday night's crazy Tribal Council, which resulted in four different castaways getting votes. They could be in power again depending on whoever else ends up being on their respective tribes.

Survivor: San Juan del Sur airs Wednesdays at 8 p.m. ET/PT on CBS.

Tags: survivor Reality TV CBS