False Notice against Me(Female Partner of a company)

We are running a unisex salon and its a partnership firm whereas my self and another female partner were the partners. im holding 66.66% Share and she is holding remaining 33.34%. Actually im a pure investor and i dont know about this field and i have only invested on her because she was an Manager in one of the top brand(T&G.), We faced a huge loss and it was totally 3 years till now and 1.5 years we were running and 1.5 years we have given it to another person on management to run the salon and give us some amount as monthly rent, but due to corona he cannot give and in mean time we were looking for some buyers for the salon. But before 4 months the other partner went to shop and closed the shutter without informing me and she was literally fighting with me for running it in her own., then i even agreed for that and accepted to let her run the salon on an agreement that(Both loss and profit will be bared by her till we sell the salon). Later she didnot paid the rent properly and then landlord sent an email to vacate the premises and i even agreed to vacate as this is common in business. But now she sent an legal notice that i have cheated in all ways like not sharing the profit, chq was illegally signed, advance from the management guy was used by me only and other stuffs. But everything is False complaint and i have voice and watsapp proof for- She managed the bank account, the advance was equally shared to her, and P&L statement till we run the salon. What can be done now..? Because of her i lost all my money and with the trust i invested but at last she is blamming me..! later only i came to know that she has very less knowledge, even to speak in english though . :( Im Totally depressed, what can i do now.. i need peace of mind. Thanks in Advance