Original: When Koror was down to six, Tom and Ian worried that they would fall against a potential immunity threat, Gregg, and his close ally Jenn, and plotted with Caryn and Katie to vote out Gregg when they had the chance.
Simplified: When Koror was down to six, Tom and Ian worried that they would fall against a possible immunity threat, Gregg, and his close ally Jenn, and started a plan with Caryn and Katie to vote out Gregg when they had the chance.