Parts Per Billion

Parts Per Billion is a movie starring Frank Langella, Gena Rowlands, and Rosario Dawson. In the midst of a manmade biological disaster and a terrible fate, three couples try to find meaning in their lives.
The interwoven stories of three couples which are forced to make life-altering decisions in the face of a disastrous war. Inspired and sometimes blinded by their love, Len, Mia, Andy, Esther, Anna and Erik are as flawed and beautiful as any of the billions who are facing this human-made biological disaster.