Carly gets a B on a History paper she should have gotten an A on. Sam, seeing an opportunity during her weekly meeting with Principal Franklin, changes Carly's grade in the computer and surprises her with the straight A's she deserves. Sam makes Carly promise not to tell Principal Franklin what she's done. Spencer builds a giant A sculpture, which only makes Carly's feelings of guilt about the situation worse. Carly and Freddie hatch a plan to break back into the computer system and restore their grades.
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