(Spoiler free review ) <br>When Twelve extraterrestrial levitating spacecraft found around places on the Earth,Military and scientific experts join to study them.US Army Colonel G.T. Weber recruits Linguist Banks(Amy Adams) and physicist Ian Donnelly (Jeremy Renner) to analyse the spacecraft in Montana. When they reach inside the craft they are startled to watch two seven-limbed aliens, whom they call \heptapods\.Banks tries to contact with them with a unique language that heptapods used... More