He suffers from a progeria like syndrome. Mentally he is 13 but physically he looks 5 times older. In spite of his condition, Auro is a very happy boy. He lives with his mother Vidya, who is a gynaecologist. Amol is young, progressive politician. He is a man with a mission. Auro is Amol's son. Paa is a 'rare' story about a father-son, son-father relationship.
Set in a futuristic world where humans live in isolation and interact through surrogate robots, a cop (Willis) is forced to leave his home for the first time in years in order to investigate the murders of others' surrogates.
In a gritty and alternate 1985 the glory days of costumed vigilantes have been brought to a close by a government crackdown, but after one of the masked veterans is brutally murdered an investigation into the killer is initiated.