False cheque bounce of stolen cheque

A person had given money to invest to my father and my father given him cheuqes after my fatther dies....he also had stolen cheque of my mother from my father s office we did not know about that..after my father s death of 2-3 years suddenly he fill cheque amount of high as 5cr+ and cheque was bounced..he is claiming that he meet my mother after father s death and my mother had given him cheque for his lost on my father s buisness..fact is he filed case after 2 yrs and he have no bank entry of single penny give n to my mother..and there is no handwriting of mother on date or on amount or to payee..should i worry?or we ll b free of this legal fight soon..?