Critical review of one movie of your selection, paying special attention to the ethical dilemmas that are portrayed.

This is called a "critical review" rather than a movie review because the purpose of your paper is not simply to report on the contents of the movie, but to evaluate it in the context of our subject (Ethics). It should be more of a commentary than a summary. Movie suggestions:

The Wolf of Wall Street

The Big Short

Margin Call

Wall Street: Money Never Sleeps

Limitless

Assault on Wall Street

Too Big to Fail