In an explosive season finale, Gates worries that his relationship with Sam may not be as serious as he thought & considers breaking it off. A drunk & very mysterious patient (guest star STEVE BUSCEMI
- " The Big Lebowski, Fargo, The Sopranos"), with very mysterious visitors, comes into the ER, threatening the safety of everyone at County General. Pratt feels confident that his interview for the position as chief went well. Meanwhile, Kovac (former series star GORAN VISNJIC) is shocked when Moretti (recurring guest star STANLEY TUCCI) pays him a visit at the hospice.