The "I'll Be There For You" challenge yields surprising results when one team seizes control of the game, forcing the house to split into two powerful rival camps. Theresa walks a dangerous line when she seduces Wes, while he has no clue that she has already thrown herself at his mortal enemy, Kenny. After an intense vote, close allies Kenny and Sarah must face each other in the grueling "Weight for Me" Exile. Ultimately, Kenny and Laurel prevail over Sarah and Vinny.