A surprisingly nimble summer comedy that finds both Aniston and Sandler at their most charming.

The mystery itself is rote and, despite its jokey foreshadowing and its constant winks to the audience, never smart enough to really work as a genre parody. Instead, the movie just breezes along on the strength of Aniston and Sandler’s easygoing rapport.

The movie proves a cheery enough diversion, during a summer movie season leaden with underwhelming blockbuster offerings.

Murder Mystery feels as shamelessly gaudy as paste jewelry — a trinket for nights that aspire to nothing more exotic than a pizza — but Aniston sparkles like the real deal.

With competent but unspectacular direction from Kyle Newacheck (“Game Over, Man!”) and an entertaining supporting cast, Murder Mystery does just enough to keep audiences engaged until its goofy mystery is solved.