Ishraat Sarabhai is a chemist and manager of QA when her company is taken over by terrorists with her as a hostage. Despite being injured by her captors, she finds a way to escape locked confinement. As she heads for an exit she finds another manager dead. She takes a sample of a bodily excretion, returns to her lab, and discovers he's been poisoned by a substance used for production only accessed by top management. In hiding, Ishraat texts her fiance,...