Pithamagan whirls around four characters. Chithan (Vikram) who is orphaned at a young age, devoid of all human contacts lives on his animal instincts and ekes out a living as a graveyard caretaker.He seems to exhibit behaviour consistent with autism spectrum disorders. Gomathy (Sangeetha), a petty ganja seller, who pities Chithan’s condition, gets him a job at the ganja fields of the main villain.
A tale which follows the comedic and eventful journeys of two fish, the fretful Marlin and his young son Nemo, who are separated from each other in the Great Barrier Reef when Nemo is unexpectedly taken from his home and thrust into a fish tank in a dentist's office overlooking Sydney Harbor.
Two lost souls visiting Tokyo -- the young, neglected wife of a photographer and a washed-up movie star shooting a TV commercial -- find an odd solace and pensive freedom to be real in each other's company, away from their lives in America.
Four boyhood pals perform a heroic act and are changed by the powers they gain in return. Years later, on a hunting trip in the Maine woods, they're overtaken by a vicious blizzard that harbors an ominous presence.
In an alternate turn of the 20th century, an attack on the Bank of England by men who appear to be German soldiers followed by an attack on a German Zeppelin factory by the same men this time dressed as British soldiers, leads Europe to the brink of war.