[s3e16] The Gammy Files -

If you are referring to a different "paper" plot, you may be thinking of Assignment: Get That Assignment! from Season 1, where Marisa writes a based on K.C.'s spy missions and they have to retrieve it before it blows K.C.'s cover. The Gammy Files | K.C. Undercover Wiki | Fandom

: K.C. discovers a photo from an unsolved case from 1977 involving a spy known as "The Gammy" . [S3E16] The Gammy Files

: To prove her theory, K.C. must "put together" the evidence from the old files. She uses the cold case storage room , which Ernie describes as having "more dirt than Marisa's diary," to find clues that link Betty to the historical spy activity. If you are referring to a different "paper"

Here is how the "paper" and the evidence come together in the episode: Undercover Wiki | Fandom : K

: When Poppa Earl introduces his new fiancée, Betty , K.C. realizes she looks identical to the woman in the cold case file.

: By matching the details from the "Gammy" files to Betty’s current behavior and background, K.C. eventually confirms that Betty is indeed the enemy agent Margaret.