Murder (2004)

Blissful couple Sudhir (Ashmit Patel) and Simran (Mallika Sherawat) are enjoying their new city of residence, Bangkok. A driven businessman, Sudhir becomes immersed in his work and spends less and less time with Simran, propelling her into the arms of a long-lost friend named Sunny (Emraan Hashmi), with whom she begins a torrid affair. Sudhir suspects his wife's infidelity and decides to confront Sunny, with dire consequences.