Susan performs a quick and routine exam on Mark, and determines that cranial nerves two through eleven are operating normally. "But not twelve," he clarifies. Susan tries to blow it off as a routine glitch and excuses his "solumedrol" slip-up with a lame coffee joke. Mark abruptly shrugs it off and dons his bravery specs so he can soldier through another day of mediocrity. He grabs an incoming gurney and takes command. The patient is a child with first- and second-degree burns inflicted by the front seatbelt. "You don't put kids in the front seat!" Mark shouts accusingly. Susan flinches at Crabby McJerkpants and his jerky crabulosity. She tactfully suggests that Luka could take over the case, but Mark ignores her and hightails it into Trauma Yellow with his new patient. Susan's all contemplative and sad, mourning the day her Milquetoast curdled.

Abby notices Pointless Bit Part, R.N., relaxing at the front desk. There's tomfoolery about how Bit Part is taking a break. You don't need to hear it. She exists so that Abby can whirl around and bump smack into Brian. "Where is she?" he demands, a calm demeanor belying his anxiety. Abby tries to play dumb, but Brian calls her on her lies. "I know she stayed at your place," he fumes. "Well, I know you beat the crap out of her," Abby spits. Brian testily claims that Joyce swung a bat at his head, and tries to showcase the bruise. Um, wouldn't a bat to the head do a bit more damage than that? Abby muscles past him, but Brian persists in quizzing her about Joyce. Snapping, Abby sasses that she'll happily deliver him to his wife -- because the cops are with Joyce, and might not mind a friendly chat with Brian. Abby's more pissed than intimidated by him, and holds her ground well. Luka pops out of the exam room behind Abby, and his presence seems to scare off Brian. "Who's that?" Luka asks. "The husband," Abby groans.

Elizabeth finds Mark in the trauma room and impatiently asks whether he got her page. Mark doesn't point out that, you know, there's a bleeding person on a slab in front of him, and maybe that is also important. Instead, he says the page he saw came from neurology; Elizabeth brats that it's because she was up there examining "[his] daughter's EEG." Susan good-naturedly takes over as Mark bolts out to pay attention to at least one of his children.