Lois discovers that Chris has some bad information about sex and she volunteers to teach a sex-ed class at the high school. Some parents become upset with her brutal honesty, and they have her replaced. A conservative christian comes to Quahog and gets rid of the condoms at James Woods High. As a result the kids find an interesting loophole. Meanwhile Stewie, terrified of the Tooth Fairy, decides to set traps to destroy him.

When Brian discovers that his beloved Jillian is getting married, he hits the sauce to drown his sorrows. The next morning, he wakes up with more than a hangover. After realizing he has hooked up with "The Hills" star Lauren Conrad, he wants to run and hide. When Brian discovers Lauren is nothing like how she's portrayed on TV, he thinks he may have found his perfect match – if only he can let Jillian go.