Next morning. As Big Mike walks through the Buy More into his office, he's reading a magazine and makes what can only be construed as a Britney- or Lindsay-aimed comment about ladies putting "some drawers" on if they don't want people looking at their "private business." So engrossed is he in said privates that Big Mike fails to notice that the Buy More has been stripped clean of all merchandise. His office is similarly bare, and there's a marlin-shaped clean spot on the (apparently) extremely dirty wall. What goes on in Big Mike's office to get the walls that stained? Big Mike reacts to the purloined marlin by falling backwards out of his chair. Whimpering, he finally groks the full extent of the heist. They got away with more than merchandise, too, the counters and display racks are also gone.
Jeff and (mo)Lester hiss back and forth guiltily about making a run for it. Chuck arrives and, after a strangely depressed Morgan gives him the news of the burglary, dashes for the break room to find the engagement ring missing. Of course, Cpt. Awesome phones him at this precise moment to jaw about how he's going to "pop the Q" to Ellie when they're skydiving. Chuck gasps and gabbles and tells Awesome it's a dangerous idea because he might drop the ring. Awesome agrees and hangs up to think of other options. Big Mike has all the employees lined up in the empty Buy More because a Detective Conway thinks the burglary was an inside job and everyone's a suspect. Chuck jumps into line and (mo)Lester continues to act guilty and Jeff continues to threaten his life if he cracks. Big Mike realizes Casey isn't there and sends Chuck off to find him. Chuck calls Casey and babbles about the Buy More heist and his sister's stolen ring, but Casey tells him to "save it for [his] coffee klatch" because they have more important problems, which, I'm sure, will eventually sync up with the Buy More heist.
Down at a hangar, the doors open to Chuck exposing the whole of the stolen Buy More inventory. Wow, that happened sooner than I expected. Because of the bug's origins, they had no choice but to plunder the Buy More in order to figure out who the FULCRUM agent is. Can we call it? Det. Conway? Before getting back to the Buy More and pretending like he knows absolutely nothing about no stolen goods, Chuck wants his sister's ring back. Casey makes a comment about Chuck never seeing his family again, but Sarah drags him off and tells him he can't just do it like that. Casey wonders why Sarah "always has to get [her] lady feelings in involved," but they're interrupted by another agent showing them a Buy More surveillance tape. It shows a drunk Jeff and (mo)Lester turning the security cameras back on -- after the FULCRUM agent turned them off -- and stumbling over boxes which scares off the FULCRUM agent before he or she can steal Big Mike's marlin (where the receiver's hidden), and then stealing the marlin themselves.