A bombshell will allegedly be dropped on The Secret Life of the American Teenager next week.

That's what the following preview teases for an episode, titled "When Opportunity Knocks," that will feature:

• Peter questioning the fidelity of Grace.
• Bunny substituting for Camille in Leo's office.
• Ben examining his feelings for Adrian.

Check out the official trailer, along with a few clips, now:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.