Internal Reveal: It's here that Marinette learns that Kagami isn't Adrien's girlfriend.
Poor Communication Kills: Thinking Adrien is dating Kagami, Marinette concludes that she is cheating on him when she sees her on a date with her new boyfriend/baby-daddy Kyo.
With Catlike Tread: Downplayed. While Marinette manages to follow Kagami and Kyo long enough to start making assumptions, it doesn't take long for them to notice her.
