Trap backs itself into every corner

Trap’s premise sounded tailor-made to play into M. Night Shyamalan’s twisty strengths and maybe even say something about the modern era of superstars turning their concerts into cinematic events. But for all of its promise, the thriller almost immediately runs out of steam. Shyamalan’s latest is a convoluted misfire whose handful of interesting ideas isn’t nearly enough to keep it from feeling like a notable low point in the…