Jewel thieves decide to steal a load of diamonds at the behest of an older criminal boss. While robbing the jewelry store, an alarm goes off and one of the thieves kills the employees. Blah blah blah ... Mexican standoff ends in a massacre, aaaand scene.
It sounds just like Reservoir Dogs right? It's not. The author is actually describing the plot of City on Fire, which is a Hong Kong action film that Quentin Tarantino pretty much ripped off to make his classic film.
Cracked has more about movies that are actually blatant rip offs in this great article.