A deserted Island's fog-drenched shoreline provided ample cover for a hidden TF141 research facility. Ghost gazed over the deck, lost in thought, until Soap brought him back to reality.

"Simon, take a look at this." he grinned widely, gesturing towards an unusual discovery in a spacious room, where a huge tank resided.

Ghost and Soap entered the room, greeted by a proud Price and Gaz. After a brief pause, Price introduced their unique find.

"A Siren, the first one to ever been caught."