Sneak Peek images from the "Vendetta" episode of "Arrow', written by Beth Schwartz and Andrew Kreisberg for director Ken Fink, airing on CW, December 5, 2012 :
"...as 'Oliver' (Stephen Amell) and 'Helena' (Jessica DeGouw) grow closer, Oliver trains her to be his ally, complete with showing her how to use a crossbow.
"'Diggle' (David Ramsey) disapproves of Oliver sharing his secret with Helena as he's not sure she can be trusted, but Oliver refuses to listen to his concerns.
"Then Helena's quest for revenge proves to be too strong for Oliver to handle.
"She kills the head of the 'Triad' and all hell breaks loose..."
Click the images to enlarge and Sneak Peek "Arrow"...