Washington's youngest senator exposes corruption in high places, almost at the cost of his career.

In the first season of the gripping political thriller Madam Secretary, Dr. Elizabeth McCord navigates the maze of politics to protect America and affect global issues. When the current Secretary of State is killed in a mysterious airplane accident, the White House turns to Elizabeth to take over the job. As a former CIA analyst, she understands the risks of the world. However, she's far less prepared for the treachery of politics.

Follows the adventures of a low-ranking cabinet member when he becomes President of the United States after the sitting president and other cabinet members are killed.