Aleksandar Zograf, a worldwide renowned cartoonist discovers an unusual comic book from World War II. The comic’s hero is Kaktus Kid – a small cactus trapped in his pot, that looks like Mickey Mouse. Intrigued, Zograf investigates into the life of Kaktus Kid’s creator – little known artist Veljko Kockar.

He soon discovers that Kockar was arrested just after the liberation of Belgrade in 1944. He was charged for being a Gestapo agent and executed. Zograf’s investigation reveals a far more complex…