Before hiatus, Dean had decided to stop looking for a cure for the Mark of Cain. But after murdering Cain, Dean is losing control to the curse more quickly than before, so the brothers continue their research in hopes of finding one. Maybe that will be the season finale this year!
In the meantime, Dean focuses his attention on a new murder case where the brothers run into Cole (Travis Aaron Wade), a recurring character that was introduced to fans earlier this year. The three team up on the case learning that a Khan worm is responsible for the deaths. Unfortunately for the trio, the worm infects Cole and the resulting ‘cure’ looks anything but pleasant.
COLE PAYS A VISIT TO THE WINCHESTERS — Despite Dean’s directive to forget about looking for a cure for the Mark of Cain, Sam continues to do research. Dean suspects Sam is hiding something but decides to focus on a new murder case where they run into Cole (guest star Travis Aaron Wade). The three team up and learn a Khan worm is infecting men and turning them into murderers. Unfortunately, the worm makes its way into Cole.
John Badham directed this episode written by Jenny Klein.
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