Twelve shell shaped UFOs suddenly appeared in the sky of the earth, suspended in the sky of twelve different countries. Aliens sent signals to humans, but humans could not interpret them. The US military has found linguist Louis (Amy Adams) and physicist Ian (Jeremy Renner), hoping that they can work together to solve the mystery of alien language. After several contacts, Louis found that aliens used a very special circular character, and gradually understood the mystery. Since the real purpose of aliens coming to the earth has not been determined for a long time, China, Russia and other four countries decided to launch an attack on aliens, and the United States also decided to give up research and evacuate all personnel. At this juncture, Louis finally understood the intention of aliens, and used the special "weapons" given to her by aliens. Louis changed the future with one person's power.

Twelve shell shaped UFOs suddenly appeared in the sky of the earth, suspended in the sky of twelve different countries. Aliens sent signals to humans, but humans could not interpret them. The US military has found linguist Louis (Amy Adams) and physicist Ian (Jeremy Renner), hoping that they can work together to solve the mystery of alien language. After several contacts, Louis found that aliens used a very special circular character, and gradually understood the mystery. Since the real purpose of aliens coming to the earth has not been determined for a long time, China, Russia and other four countries decided to launch an attack on aliens, and the United States also decided to give up research and evacuate all personnel. At this juncture, Louis finally understood the intention of aliens, and used the special "weapons" given to her by aliens. Louis changed the future with one person's power.