The Enemy Within campaign (abbreviated to TEW) is a series of adventures for Warhammer Fantasy Roleplay where hidden powers of Chaos plot the destruction of the Empire.
In the six-part series The Enemy Within, player characters discover that insidious forces are working behind the scenes to bring the great Empire down.
[2] Each of the six parts takes place in a different setting such as caravan trails, river rafting, urban adventures and dungeon crawling.
[11] In Issue 37 of the French games magazine Casus Belli (April 1987), Jean Balczesak reviewed the first two parts of The Enemy Within Campaign (The Enemy Within and Shadows over Bögenhafen) and was impressed with both of them, writing, "If the upcoming publications for Warhammer Fantasy Roleplay are of a similar quality to these first two releases, we don't see what could prevent this game from achieving the success it deserves!
"[13] Regarding Shadows Over Bögenhafen and Death on the Reik, he commented that, "Those Game Masters who want a well done town for use in their own campaign could certainly use the information provided for Bogenhafen...