Ek Villain (2014) on Netflix

Every love story has a hero, a heroine, and a villain. But this is the love story of a villain. Guru is a quiet, tough, and ruthless man, who works for a crooked politician. A dark past refuses to let Guru sleep at night until he meets Aisha. He falls in love with her and his life changes. Just when things seem perfect, she falls prey to an attack. Devastated, Guru starts hunting the miscreant and is shocked to learn of his seemingly innocuous and simple identity. Does Guru succeed in getting even with the assailant? And what is the motive behind the killings? The plot thickens as the astonishing mystery unveils and new realizations come to the forefront.