Back at the mailbox, Marinette watches as the mailman opens the box, letters cascading out of it. Tikki mentions that this is Marinette's chance to take the letter back, but Marinette has changed. Marinette learned that in order for Adrien to love her back, he must first know that she loves him.
Adrien returns home, dismal. He collapses
on his bed as Plagg tries to discuss the day. Plagg can remember everything that happened, whereas Adrien cannot. All Adrien knows is that he was extremely mean, rude, and fought against his Lady. Plagg tries cheering him up by handing him one of the dozens of letters and gifts on Adrien's desk. He ends up pulling out a pink, heart-shaped letter. It floats next to Adrien and he reads it, surprised that someone answered his letter. The response was, "Your hair is golden, your eyes, green iridescent. When I look at you I would like to share your dreams and thoughts. Yes, I'll be your Valentine, we'll be good together. I will love you forever, my heart is yours." Plagg believes that with something so lovey-dovey that it has to have been written by Adrien's soul mate. However, it isn't signed. A ladybug flies into the room onto the letter, making Adrien believe the letter came from Ladybug. He gets up and follows it to the window where it flies away.
Meanwhile, Marinette can't remember if she signed the letter or not, recalling a ladybug distracted both her and Alya. Alya laughs at the fact that Marinette forgot to sign something to Adrien. The ladybug flies into the shot again, and the end card appears.