This person describes how they have monitored your online behavior through a Trojan virus installed via your unsecured router and when you visited adult websites they have found disgusting footage and made screenshots of it. They demand 500 euros in btc on this account within exactly 2 days, or 55 hours (someone needs to go back to school :p) or they will send the screenshots, including a selfie they made of you, to all your friends, family and other contacts.