Lewbert, Carly's doorman, is injured during an exploding muffin basket prank. Spencer suggests that Carly, Sam, and Freddie help him until he's back on his feet, but it is more easily said than done. When Freddie's mother takes over, she makes it look easy, but leaves the group extremely concerned. Freddie's mother and Lewbert fall in love. Meanwhile, while using a CB radio, Spencer upsets two truckers nicknamed Porkchop and Sledgehammer.

When Carly's old friend Missy Robinson returns to Seattle, Sam believes Missy is trying to replace her as Carly's best friend.

Freddie tries to prove that Melanie, Sam's twin sister, is just Sam in disguise. Meanwhile, when Carly tutors Spencer's nemesis, Chuck, Spencer tries to convince her that Chuck is evil.

Spencer comes to the rescue when a heat wave hits Seattle and the power goes out.