Chapter 500 Mother And Daughter Playing Tricks

• Qin Song nodded, "They don't understand, they think the fire incident is already in the past, just an accident. Because the criminal controlled the smart door, that's why the special situation occurred, usually..."
• "Special situation?"
• She spoke coldly, "Is the safety of a door determined by normal circumstances? It's precisely the special situations that matter. Spending a lot of money for a security level lower than a regular door, how can there still be objections to such a design?"