Cameron's neighbor is killed, so the team set up a stakeout at Cameron's apartment to determine whether Cameron was the real target. Meanwhile, Kirsten learns more info about Marta's calamitous stitch.

A puzzling car accident leaves a brain researcher dead, and Kirsten's determined to uncover what happened. Meanwhile, Kirsten wants Linus' assistance in decoding a clue left by Ed Clark; and Kirsten seeks info on the roots of the Stitchers program.