Designers and researchers explain why turning raw numbers into images has become its own discipline. The film gathers voices like Manuel Lima, who traces the history of network diagrams and tree structures back centuries, and David McCandless, who argues that a well-made chart can make an argument faster than a paragraph of text. Screens fill with examples: subway-style diagrams of complex data sets, color-coded maps of global trade, and interactive graphics built for newsrooms trying to explain budgets or election results to readers in seconds. Interviewees walk through the choices behind a visualization, what to highlight, what to leave out, and how a bad design can mislead just as easily as a good one can clarify. The throughline is a simple problem: information now arrives faster than anyone can read it, and visualization is the tool built to compress it back into something a human eye can take in at a glance. Short and interview-driven, it treats data design as a craft with its own history and rules.