Discover the secret ministry… Nina is an adventurous 11-year-old girl who doesn't like to sit still. Her father is a mailman, and when he brings home a letter to the mysterious Ministry of Solutions one day, it naturally screams to be read. The letter is from 9-year-old Ruben, who is being bullied at school by the mean Sophia and her friends. He hopes the ministry can help him solve this. Nina then decides to go help Ruben, along with her best friend, Alfa, since such a ministry doesn't really exist. But thanks to Ruben and his ancient neighbor, they discover they're wrong: there really was a Ministry of Solutions. They can even help rebuild it, if Sophia doesn't discover their secret, that is.