Looking for divorce and child custody

Hi, my wife gives me mental torcher and always threatened me of taking my baby also her family supports because they stay in the same city.. I am alone here since my parents are staying in my village. My first marriage was broken because of my present wife use to give false information about she being in relationship with me and then use to call my number at night. My first wife use to call their family members and use to complain about her being in relationship with her. Because of which my wife lost trust on me and we got divorce my mutual consent and later my present wife is torching me after the marriage from the day one. I am completely lost myself and I am in no position to live.. lookind to sucide. What should I do