Director Seth Savoy (who co-wrote the screenplay with Kevin Bernhardt and Jason Miller) displays real talent and infuses “Echo Boomers” with a kinetic flash that suits the material. It would be an upset to learn Savoy isn’t a huge fan of the works of Guy Ritchie and Quentin Tarantino, and such films as “The Town” and “Heat.” This is a nifty little gem in the heist genre, with the familiar message about the perils of greed and always wanting more and more and even more. The Echo Boomers don’t know when to stop, and we know where that will land them.