Raazi

In 1971, during the Indo-Pakistani War, Sehmat, a young Kashmiri woman, marries Iqbal Syed, a Pakistani military officer, to spy for India. Her mission is to gather information on Pakistan's war plans and pass it on to Indian intelligence. Sehmat, who is trained by RAW officers Mir and Nikhil Bakshi, wins the trust of her husband's family but is soon discovered by her husband's brother, Mehboob Syed. She kills Mehboob and eventually escapes from Pakistan but not before killing Iqbal, who had discovered her true identity. Sehmat returns to India and discovers that she is pregnant with Iqbal's child, which she decides to raise as a single mother. The information Sehmat gathered helps India win the war and annex Lahore. The film ends with an aged Sehmat living alone in Ambala.

You can stream Raazi on: Amazon Prime Apple TV

Some movies that have similar genres and were produced around the same time as Raazi include The Northman, Sound of Freedom, Hotel Mumbai, The Finest Hours, Kursk, Battle for Afghanistan.