It was five years after Hawkmoth was killed and she told Cat Noir his identity. They were no longer partners anymore, she saved the akuma victims with her lucky charms but he turned to killing them instead. Adrian had broken up with Marinette soon after and hasn't been seen in public since. As a way to gain back Cat Noirs trust she starts to talk to him in her civilian form and although as Ladybug they hadn't spoken in months, as Marinette sparks start to fly.