The speaker, Sergey, recounts a situation where a friend's sister, Natasha, was severely beaten by her partner. The partner, described as a "creature," took advantage of Natasha's mental disability and lived off her pension. Sergey and his friends discovered the situation by accident while visiting Tanya, the sister of the victim. They found Natasha with severe bruises and decided to intervene. Sergey expresses his concern for Natasha's well-being and the need for the partner to be held accountable.
Here are the key facts extracted from the text:
1. Tanya's sister was beaten badly by her partner.
2. The partner had been living with Tanya's sister for about three years.
3. The partner took advantage of Tanya's sister's mental disability to control her and take her money.
4. Tanya's sister is mentally disabled and cannot defend herself.
5. The partner would often beat Tanya's sister and drink away her pension money.
6. Tanya's sister came to live with Tanya after the latest beating.
7. The narrator and Tanya decided to visit the partner's home to confront him.
8. The partner was not at home when they arrived.
9. The narrator wanted to warn the partner not to threaten Tanya's sister again.
10. The narrator offered to help Tanya's sister write a statement against the partner if he raised a hand against her again.
11. The narrator bought groceries for Tanya and visited her to check on her sister.
12. Tanya's sister is 23 years old.
Note: I excluded opinions and focused on extracting factual information from the text.