Whole story of 'Avatar' in just 10 points...
This is how Jake met
Neytri The scientists use Na'vi human hybrids called 'Avatars', piloted by genetically matched humans, to explore Pandora's biosphere. Jake Sully is a paraplegic former Marine and is chosen to take his late brother's place since his brother's dna was used in the experiment. Dr. Grace Augustine is also with him. Na'vi Neytiri rescues Jake's avatar in an attack and takes him to be reunited with his family.
Jake and Neytiri's love story
aside, Colonel Miles Kvarch, the head of the Resource Development Administration's (RDA) security force, is preparing Jake to kill him if he discovers the true location of a valuable mineral element. Will removes the disability, while Jake's avatar falls in love with Neytri. Circumstances lead to Jake and his fellow scientists having to leave their original base and do their work from another location, but the Colonel won't let that happen.
Jake's secret is exposed
when Jake attempts to disable a bulldozer threatening a sacred Na'vi site, Parker orders the destruction of the Selfridge home Tree. Despite Grace's reasoning that destroying the home Tree could damage Pandora's biological neural network. Selfridge gives Jake and Grace one hour to persuade them to evacuate the boat. Jake gets exposed.
Jake confesses to being a spy
Jake confesses that he was a spy. The Na'vi take him and Grace prisoner. Quarch's men destroy the home Tree, killing many people including Neytiri's father and the chief of the clan. Jake and Grace are freed, but they are separated from their avatars and imprisoned by Kwarch's forces. He gets help on this occasion from pilot Toddy Chacon. Grace gets shot while trying to escape.
Jake regains
Na'vi's trust by connecting his mind to Toruk's. The entire clan attempts to transfer Grace to her avatar with the help of the Tree of Souls. Jake, supported by the new chief Tsute, unites the clan again and calls on all people to gather to fight the RDA.
quartz catastrophe
Jake prays to the Na'vi deity Eywa through a neural connection with the Tree of Souls. In the fight between Tsute and Tudi, many people are killed. Navi is rescued when Pandoran wildlife unexpectedly joins the attack and startles the humans. Quarch escapes his crashed plane and breaks the avatar Link unit containing Jake's human body.
And Jake becomes a boatman
As Kvarch prepares to slit Jake's avatar, Neytiri kills him and saves him from suffocation after seeing Jake's human form for the first time. All humans are evacuated from Pandora, along with Jake, Norm, and a select few. With the help of the Tree of Souls, Jake is permanently transferred to his avatar.