The Bishop Plug is a key item in Resident Evil 2.
This item is one of the four required to open a unique lock that is designed like a chess board missing four pieces; specific to Leon's scenario.
It is found in the Raccoon City Police Department's library.
- Dan Birlew (2003). Resident Evil 2 & 3 Official Strategy Guide. Indianapolis: BradyGames.
- Sumner, Christian; Shotten, Brian; Owen, Michael, eds (9 November 2005). Resident Evil Archives: Umbrella's Virus Uncovered. Translated by Zpang America, Inc.. BradyGames. ISBN 0744006554.
- Tahara, Seiji (田原 誠司), ed (1998). BIOHAZARD 2 Official Guide Book. Japan: Famitsu.