Item from Resident Evil 4 by Capcom
The dominant-species Plaga specimen that Ada was sent to retrieve — the object every faction wants and the reason the spy game intersects with the horror.
The Plaga sample is what turns RE4 from a rescue mission into an espionage thriller. Ada's real mission — given by Wesker — is to retrieve a dominant-strain Plaga. Not to save anyone, not to stop Saddler, but to acquire the bioweapon for the Organization's own use. This creates the game's moral complexity. Ada helps Leon, but her endgame isn't his. Krauser is on the island partly to secure the same sample. Saddler knows his research has attracted outside interest. The sample is the convergence point of every faction's agenda, and whoever walks away with it gains the ability to create a Plaga army. In the remake's Separate Ways, Ada's decision to send Wesker a dead sample — betraying the Organization to prevent the Plaga from being mass-produced — is the story's moral resolution. The bioweapon dies with Saddler, at least for now.
A sealed specimen container holding a living Plaga organism of the dominant strain. The organism pulses faintly inside its containment — amber-colored, tentacled, visibly alive. The container is marked with research codes from the island laboratory.
Also known as: Plaga Sample, Dominant Sample, The Sample