Martha realizes that she needs help with a list of potential moms, and contacts Tonya.

Grandpa becomes a vocal teacher to help Martha clear herself of Vera's suspicions.

Marat and his grandfather are trying to organize an unforgettable birthday party for Julia.

While Marat is trying to figure out how to return Olga's father the money for the wedding, Martha goes to a fencing tournament instead of her sister.

A twin sister, Julia, suddenly appears in Martha's life. Now Martha has hope that she will finally find her mother...