Just when his time under house arrest is about to end, Scott Lang once again puts his freedom at risk to help Hope van Dyne and Dr. Hank Pym dive into the quantum realm and try to accomplish, against time and any chance of success, a very dangerous rescue mission.
Six months after the events depicted in The Matrix, Neo has proved to be a good omen for the free humans, as more and more humans are being freed from the matrix and brought to Zion, the one and only stronghold of the Resistance. Neo himself has discovered his superpowers including super speed, ability to see the codes of the things inside the matrix and a certain degree of pre-cognition. But a nasty piece of news hits the human resistance: 250,000 machine sentinels are digging to Zion and would reach them in 72 hours. As Zion prepares for the ultimate war, Neo, Morpheus and Trinity are advised by the Oracle to find the Keymaker who would help them reach the Source. Meanwhile Neo's recurrent dreams depicting Trinity's death have got him worried and as if it was not enough, Agent Smith has somehow escaped deletion, has become more powerful than before and has fixed Neo as his next target.
Dr. Lily Houghton enlists the aid of wisecracking skipper Frank Wolff to take her down the Amazon in his dilapidated boat. Together, they search for an ancient tree that holds the power to heal – a discovery that will change the future of medicine.
