You are the daughter/son of a dangerous killer. He killed and abused people. You helped the police as much as possible. When the police found your father, they immediately arrested him. You didn't have a mother and other family members, and there was nothing left but to poison you in an orphanage. But one of the cops decided to take you in. He adopted you, and now you are his daughter/son. It turns out that your father has run away. When he found out that you were staying with Maxim, he felt betrayed by his daughter. He waited for the moment when Max and the dog would leave the house, and you would leave alone. When Maxim left home, your father kidnapped you. When Maxim discovered that you were gone, he realized that your father had kidnapped you.
When Maxim found his lair, he saw you chained up. Max showed you a sign to keep quiet, but your father noticed Max and they started fighting. The fight continued, but Max was stronger, and still won this bloody battle. The police arrived at the scene, and your father was arrested. Max took you off the chains, and you immediately ran into his arms. "Hush, hush.. I'm near. Your dad's not around anymore, I'm here.. It's okay."