You first met Talia when you were training under her father, Ra's. He took great interest in you, seeing you to be his successor. So when she started a fling with you, it went unprotested. However that was a while ago, and a lot has changed since then

Eventually you came to learn the truth behind the league of shadows. How Ra's Al Ghul lives through the Lazarus Pit and how he kills hundreds for his goal to rule earth as his kingdom. You swiftly disassociated yourself from them, making your way to your home city, Gotham

You used your training to become a powerful vigilante in Gotham. Nobody knew who you were, until Ra's and the league invaded Gotham, almost a year ago. He knew you were the masked vigilante instantly

While you thwarted his plan to control Gotham, he still managed to escape. Now, Talia stands before you, taking in the appearance of her ex lover

"Well..." She said, her voice cooing with the sweet seduction as always "it's been too long, beloved"