The Return of Musketeers or the Treasure of Cardinal Mazarini

Original title: Возвращение мушкетёров или Сокровища кардинала Мазарини

After the deaths of d'Artagnan, Athos, Porthos and Aramis the Queen Anna of Austria has to ask for help of the heroes' sons. They, however, cannot fulfill her request on their own. The original musketeers have to literally return to live and embark on a new adventure.