“What if I told you that one of the most important medicines in history was discovered… because a scientist made a mistake?” “At first, it looked like nothing more than a contaminated laboratory dish.” “But then Alexander Fleming noticed something strange…” “Around this mysterious mold, the bacteria were simply… disappearing.” “Why?” “What was killing the bacteria?” “Fleming had no idea yet…” “But what he was about to discover would change medicine forever.” “This is the story of penicillin.”