MURDER 1 2004

Simran (Mallika Sherawat) is young woman married to Sudhir (Ashmit Patel), a workaholic, who was previously married to Simran's now deceased sister, Sonia. Simran only married Sudhir in order to give motherly love to Sudhir and Sonia's son. She leads an unhappy, lonely and passionless married life. After acidentally meeting her former college lover, Sunny (Emraan Hashmi), she decides to engage in an affair with him. The affair starts to consume her life and Simran finds herself constantly lying to her husband and neglecting her motherly duties. After some time, she decides to end the relationship, but to her surprise, she finds that Sunny has also been simultaneously seeing another woman named Radhika. She regrets her unfaithful act and tries to cut all ties with Sunny.(wiki)