Another mish-mash of subplots abound. Highlights: Sam drops in on Luka who has Gillian staying with him while she's in town (that gal gets around the globe!). Luka manages to turn Sam away, but Sam knows something's up. Later Sam is having second thoughts about her wanting to be casual, thus confusing Luka totally. Poor guy, damned if you do, damned if you don't. Sam spends most of the episode pissed at Luka, especially when Gillian shows up at the ER to confirm a dinner date and Sam spots them sharing a quick kiss in the hallway. Eventually Luka breaks it off with Gillian, she knows that Luka wants to be with "the nurse". Luka shows up on Sam's doorsteps, and he apologizes. She pushes him away, go inside, and changes her mind and invites him back in. Damned if he does, damned if he doesn't... A patient that was "treated" by Morris in the past hijacks a tank and is determined to make Morris's life miserable and has the tank headed for the ER. The tank chase is featured on the news and everyone in the ER can follow its progress as it makes its way towards them. Abby gives Morris as much grief as possible, though she put some of the blame on herself because the psycho never got the help he needed in the past visits to the ER. Finally the police surround the tank, the SWAT team opens up the hatch, throws a bomb inside, and then opens the hatch up again and start shooting on the inside, finally getting the psycho tank driver, who is brought into the ER with gunshot injuries. Morris actually shows some proficiency in ER medicine and saves the guy. Frank's bigotry and xenophobia finally pushes Neelah over the edge and she rips Frank a new one. Later, Frank suffers a heart attack (blocked arteries), and Neelah is the one that finds him. Frank get some angioplasty done, but suffers complications, and Pratt was staying with Frank in the OR, though at the displeasure of the surgeon, and Pratt draws out enough blood to buy them some time to handle the complications. We find out that Frank is married and has a daughter with Down's Syndrome. A 19 year old girl brings in her father who is pretty much in a vegatative state after suffering an accident on the job, and Sam feels the father should be relieved of his suffering, but the daughter is adamant about the doctors to keep "saving" him. It turns out that the man was committing incest with her in her teen years, and she basically kept him alive to make him suffer the past 2 years for his actions. Luka deals with a 13 year old boy with some scotal injuries, and finds out he's contracted clamydia, and it turns out that this Romeo has been busy hooking up with 4 other girls. After the girls are tested, one is found to be suffering from clamydia and is in peril of losing a tube.