Wife and herfamily is threatening constantly for filing a false accused complaint from last 1.5 year

I am from a middle class family & I have been married from 3 years now.. my father passed away 2 years back.. i was working till few months back now started freelancing with some friends recently but my wife doesnot work she used to work but on medical grounds of allergic issues she skipped the job which is understandable. there have been fights almost to every small to small issue which she exploits whether its not picking up the call couple of times and calling back in couple of minutes back and dragged that issue for days or whether it can be purchasing something online and talking about expenses not to buy it if not needed..her mother n father supports her in every wrong doing fully.. I tried talking with her family about those things and contantly been informing about the same to them as well but they support her fully for every single thing she has medical issues with herself she has symptoms of asthma and too allergic about dust and those kind of things so she is almost ill every couple of days and my entire family supports her in it like its going to be okay.. she has issues with all of my family members even my dog.. sexually we are not really active with each other and anywhere else as well because the toll is alot to take how she speaks how harrasing she talks about family and what foul language she uses for every one around.. live in a rented flat so how she shouts it clearly listened by every neigh bour as well its too embarrassing and too toxic she and her family threatens almost every single time about dragging the police into this i havent done anything and recently she with her mom n dad visits my home place and tried to push my mom and destryed the phone which she uses and tried to physically push her she has injuries over her and closed the doors and isolated her alone with them .. every one in family lives away like 3 4 hours .. we havent been informed like that they were visiting.. its a lot to take whole family is just too scared to do anything.. i feel like dying and get this over with every one in cousins and the extended family is just forcing me to accept mistake which i have not done and give it one more chance as i am a guy things are difficult for guy working accoridng the law.. i have there recordings call comversation how she talk how cheap there way of talk and conversation is with me for my family how she threatens and how many times they have threatened me. for the same and how toxic its becoming now that sometime i feels like i am not able to breath around it.. i can again try to give it a chance but she can complaint about it whenevr she want and my family without my dad its just too much to take in.. please suggest what can i do here it will be a great help because i am feeling like dying and getting it over with now