The movie revolves around the story of two individuals, Aadhitya (played by Vijay Deverakonda) and Jhanvi (played by Trisha), whose seemingly perfect marriage turns out to be a facade. Aadhitya, a wealthy businessman, suspects his wife, Jhanvi, of infidelity, which sets off a chain of events that exposes the darker aspects of their relationship. As the story unfolds, the audience is taken on a thrilling ride, questioning the very foundations of love, trust, and loyalty.
I'm assuming you're referring to the 2020 Indian Tamil-language psychological thriller film "Unfaithful" (also known as "Anbe Sivam" in some regions), which is available on various streaming platforms, including Filmyzilla. unfaithful filmyzilla
Here's an essay on the film: