Ivy, the Carters’ long-lost real daughter, grew up on a farm. Brought back to the fancy New York mansion, she has a secret mind‑reading ability. The wealthy Carters are actually spies fighting the criminal group White Shark. Ivy hears everyone’s inner thoughts but misunderstands spy jargon as farm and business talk. By accident, she solves countless deadly crises. Her jealous adopted siblings slowly learn to trust her. With Ivy’s help, the Carters take down White Shark and capture Mr. White. Ivy finds her place in the family and protects them all.