When a lion mysteriously escapes from the city zoo, superhero siblings Madi and Leo rush in to save the day. After the rescue, they discover the escape was no accident. As strange clues begin to pile up, the young detectives uncover a suspicious man, a secret laboratory, missing security footage, and a dangerous plan that could put the zoo's biggest animals in jeopardy. Madi and Leo must race against time to solve the mystery before it's too late.
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