Penguin
பெண்குயின் (original)
Rhythm, a pregnant woman, is traumatised by nightmares about the unsolved kidnapping of her first child, Ajay. Soon, she embarks on a harrowing mission to solve the mystery of Ajay's disappearance.
Starring Keerthy Suresh, Linga, Madhampatty Rangaraj, Uma Shankar, Nithya Kriupa, Harini Ramesh
Watch "Penguin" on Amazon Prime released in 2020. It's a crime and mystery movie, and has a rating of 4.5 out of 10 from Imdb which is fairly low for this kind of movie.