Watch HDToday. The Film 18.11 a code of Secrecy..!! is based on Science & Technology and Packed with Romance, Comedy, Action. Thrill and Specially the Suspense lies in the name title - 18.11... which is revealed at the end. Rehal khan, the Hero of the Film is a Software Engineer in America,During his Course he made a software which generates an alarm and sends a danger signal about Bomb /Explosive plan in every mobile phone within the radius area of 1k.m.He did not experiment the same in America.