Though it is intermittently witty, visually playful and laudable in its attempt to appeal to both head and heart, Laws abandons its characters to its big concept.
Though sleekly photogenic in its depiction of cosmopolitan Europeans in permanent romantic neurosis, The Laws of Thermodynamics is better in theory than fact.
Writer-director Mateo Sanz exhausts us with all these academics, shortchanging the development of on-screen relationships thanks to endless voice-over (and on-camera) analysis.