[1] Pudhiya Mugam is an adaptation of the television miniseries Twist of Fate, which tells the story of an assassin who undergoes plastic surgery and becomes a member of the army, and a hero for them while revisiting his past.

When the assassin reaches Chennai Airport, he foils a terrorist attempt and saves the lives of a group of children.

The assassin, now a changed man, and realising that his son has discovered his past life, writes a letter to his friend Shekar revealing everything, and goes to meet the terrorists alone.

With only his wife not knowing the truth about a man who changed his ways and repented, the assassin is hailed as a hero who died killing the terrorists.

[7] The soundtrack composed by A. R. Rahman had six songs and an instrumental theme (which was only included in the cassettes), with lyrics by Vairamuthu.

[8] The guitarist R. Prasanna started his career with this film with the song "July Maadham"; it also marked the singing debut of Annupamaa.

[12] R. P. R. of Kalki also gave a mixed review, criticising the story but appreciated Rahman's music and Vairamuthu's lyrics.