After secret agent Michael Scarn (played by Scott) is forced into retirement due to the death of his wife Catherine Zeta-Scarn, the President of the United States of America (played by Darryl Philbin) requests that he prevent Goldenface (played by Jim Halpert) from blowing up the NHL All-Star Game and killing several hostages. Scarn goes undercover and learns how to play hockey, killing another hockey player (played by Oscar Martinez) to make it into the game, but after confronting Goldenface, he is shot. He later recuperates but learns that the President was in on it all along. Depressed, he goes to a bar to drown his sorrows. The patrons of the bar sing a song called "The Scarn" which he danced to with his wife, which cheers Scarn up immensely. With his courage restored, Scarn is able to save the day and blow up Goldenface in the process.

杰克（布莱德利·库珀 Bradley Cooper 饰）是一位小有名气的乡村歌手，但酗酒的恶习屡屡让他的事业停滞不前。一天，在酒吧里，杰克邂逅了名为艾利（Lady Gaga 饰）的驻唱歌女，在艾利的身上，杰克发现了惊人的天赋。曾经，艾利对音乐事业怀有着热情和梦想，可是现实一次又一次的令她失望，久而久之，艾利失去了前进的动力。虽然拥有着出色的创作能力，但是艾利在酒吧里从来不唱自己写的歌，同时她也明白，听众们虽然喜欢她的声音，却对她算不上好看的外表敬而远之。杰克被艾利深深的吸引了，决定帮助她找回初心，在此过程中，两颗孤独的心慢慢靠近。

女主角为了要迎接远道而来的男友而在豪雨中出了家门。就当女主角接到男友时，没想到在镇上因为高压电的关系而巨大化的蠕虫开始袭击小镇上的所有居民。。。

片中描述黑社会老大的女儿纪和，一心想帮丈夫佐村修一坐上帮派老大的位置，而父亲因长年身体不适也决定将组长的位置让给女婿，就在庆祝当晚，有刺客想刺杀纪和却反被佐村修一误杀，纪和代夫入狱....