Hancock

John Hancock ( Will Smith ) is an unhappy, alcoholic superhero who is living in his own world. He has saved numerous lives in Los Angeles over the years, but in doing so has caused widespread property damage costing the city millions of dollars. The public has had enough of Hancock, and want him to either stop or move to another city. One day, Hancock saves Ray Embrey ( Jason Bateman ), a public-relations spokesperson whose attempts to market his world-changing "All-Heart" charity aren't gaining traction, from being run over by a train. Ray feels he owes Hancock his life, and he makes it his mission to change Hancock's public image for the better.

Ray persuades Hancock to go to prison so that the public will realize how much they need him. He reluctantly agrees and after a month the Chief of Police calls him to help save an officer who is pinned down in a bank robbery shootout. Hancock saves the officer, removes the gang, and cuts the hand off the leader (Eddie Marsan), who is holding a dead man's switch on a detonator.

After the rescue, Hancock becomes popular once more, as Ray had predicted. Ray and his wife Mary ( Charlize Theron ) go out to dinner with Hancock, where he relates how he woke up 80 years earlier with no memories of his life. Later that night, while Ray sleeps after passing out from drinking too much, Hancock discovers that Mary too has super powers. Mary reveals that they are members of an ancient race and are at least 3000 years old. The race eventually died out because of their weakness which causes its members to lose their powers when in close proximity to one another. Members of this race were created in pairs, and are inevitably drawn towards each other; she is Hancock's "other half".

Mary and Hancock have a brief fight over revealing this fact to Ray, inadvertently doing just that in the process. Hancock starts to lose his powers, and is shot twice in the chest when he attempts to stop a liquor store robbery. When he is admitted to the hospital, the news media covers it, thus revealing his location. Shortly before this the news had also revealed that the one-handed robber had escaped, along with two other men, whom Hancock attacked and humiliated his first day in prison. The three villains converge on the hospital and Mary is shot while attempting to protect Hancock. Hancock finishes off the two henchmen, but is still severely wounded. Just as he is about to be killed, Ray grabs a fire axe and chops the robber's other hand off, thus saving Hancock. To save Mary, Hancock leaves the city, restoring both their powers. The film ends with Hancock accepting his role as a hero and living in New York City, letting Ray and Mary live a normal life while remaining their friend. He calls them on the phone one evening as they walk along the Santa Monica Pier and has them look up to the sky. He has painted Ray's All-Heart logo on the moon as a thanks.

source : Wikipedia