一天晚上，正在洗澡的朱利安（迈克·沃格尔 Mike Vogel饰）突然接到好朋友特里（丹尼尔·平诺 Daniel Pino饰）的电话。电话那头的特里，气急败坏地称他的未婚妻琼（布莱特妮·墨菲 Brittany Murphy饰）对自己不忠。特里跟踪琼来到一间破旧不堪的“江景”小旅馆，并目睹了她与私会的男人走进了507房间。狂躁不安的特里告诉朱利安他在旅馆大堂对面的508房间等他，并已经带好左轮手枪准备实施报复计划。朱利安极力劝说特里不要乱来，他也立即动身前往旅馆。然而匪夷所思的事情发生了，特里竟然看到和自己未婚妻约会的人正是朱利安。
由亚历克斯·梅金执导的犯罪悬疑影片《旅馆大堂对面》，根据他在2005年导演的同名黑色惊悚短片改编而成。

Although Tom Leezak and Sarah McNerney come from different worlds, they are both unexpectedly swept off their feet after their first meeting. They quickly fall in love and plan to get married, despite opposition from Sarah's uptight, rich family. After their wedding, the happy couple sets off - with the highest of hopes and ideals about love and marriage - on what they expect will be the perfect honeymoon in Italy. Thanks to a relentless string of bad luck with one disaster after another, and an impromptu visit from Sarah's wealthy one-time ex-lover Peter Prentiss, the newlyweds experience the honeymoon from hell that tests the limits of their young love. Is it worth throwing away their love and marriage?