Pa. Vijay is a Tamil language poet and lyricist who writes song lyrics for films. He won the National Film Award for Best Lyrics in India for his song Ovvoru Pookalume in Cheran's Autograph.
Dr. Vaseegaran creates Chitti, a powerful robot in his own image, but it is rejected by the scientific body AIRD due to its lack of human behaviour and emotions. After a lightning strike triggers emotions in Chitti, he begins to develop human-like feelings. However, Chitti falls in love with Dr. Vaseegaran's fiancée, Sana, and turns against his creator, leading to dangerous consequences.
A wealthy engineer arrives in India with the mission of serving the nation and investing in the country's welfare but is met with strong opposition from corrupt officials and politicians. After being faced with insurmountable hardships, he decides to take drastic measures.
Captain Jagadish, an intelligence officer in the Indian Army, returns to Mumbai for a vacation but soon finds himself in a deadly mission. After witnessing a bus bombing, he uncovers a network of sleeper cells planning multiple attacks across the city. With no official backing, he embarks on a personal mission with his trusted comrades to eliminate the mastermind, ensuring the sleeper cells remain leaderless and trapped in silence, waiting for orders that will never come. Ready to sacrifice his own life, he sets out on his final mission—but does he succeed, and at what cost?