You'd think visionary sci-fi writer Philip K. Dick would have been better served by the cinema, but eliminate the melancholy BLADE RUNNER (regularly ranked among the best science fiction movies of all time) and you're left with the bloated TOTAL RECALL and MINORITY REPORT, bare-bones shocker SCREAMERS and the corpses of projects conceived and abandoned, notably Terry Gilliam's A Scanner Darkly
. So this flawed but surprisingly successful adaptation of his 1953 short story is a pleasant surprise. 2079: A generation has grown up in the shadow of ongoing war with unseen aliens. Earth's cities are encased beneath sky-obscuring shields, and the Earth Security Agency...