It is Adrien's birthday and Marinette is struggling to give him the present she made for him. When Adrien's father, a secretive and renowned fashion designer, won't allow Adrien to have a birthday party, his best friend, Nino Lahiffe, gets mad about how unfair he's being towards Adrien. Claiming that all adults want to stop kids from having fun, Nino is tempted by Hawk Moth and becomes the Bubbler, a villain who sends all the parents into outer space through his bubbles. With the villain defeated, Adrien receives a scarf from Marinette, but thinks it's from his father.
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