Roy Leh Marnya, also known as Deceitful Love, follows the story of Pitcha, a confident and successful CEO whose seemingly perfect life is shattered when she discovers her husband is a serial cheater. Determined to reclaim her dignity and move on, she files for divorce, only to face a messy legal battle fueled by her husband's manipulative mistress. Amidst the chaos, she crosses paths with Ramin, a sharp and cunning lawyer who is also a childhood friend. Ramin steps in to represent Pitcha, using his brilliant legal mind to protect her from the schemes of those trying to destroy her reputation. As they navigate the treacherous waters of betrayal and social scandal, their professional relationship begins to evolve into a deep, complicated romance, forcing them to confront their own pasts and the true meaning of trust.