Watchmen: Motion Comic S01 E01 Chapter I - At Midnight, All the Agents...

"Who watches the Watchmen?"

A murder takes place in New York City. "The Comedian," a former costumed crime fighter, was thrown out the window of a skyscraper. This event triggers an investigation that rounds up many of The Comedian's former superhero allies, who are now banned from carrying out any acts of "justice."