"A Constitutional Convention Is Called" is about how a series of events led up to a new form of government for the United States. The changes required the Articles of Confederation to be amended.
"The Convention's Delegates" is about how the Philadelphia meeting became known, were a very impressive group, the 55 delegates to the Constitutional Convention. Not everyone was at the Constitutional Convention, but america's most famous men were.
"The Delegates Assemble" is about how some of the delegates thought they would only draft amendments to the Articles of Confederation. in 1776 many American thought that government was the main threat to people's rights.
"The Convention Begins" is about how they were going to figure out how to elect a president. Then they elected George Washington because he was the most respected American. They got down to business once the secrecy rule was approved.
"The Virginia Plan" is about how the delegates began the real work of designing a new national government. The first part of the plan was making the three branches, Legislature, Executive, and Judiciary.
"The Great Compromise" is about how the Virginia Plan won and became the framework for drafting the Constitution. each state would also have an equal number of votes in the senate.