
Things are crowded in the Loud household, with 11 children -- 10 girls and one boy -- causing craziness in the house. As the only boy, 11-year-old Lincoln is in the middle of all of the chaos. Whether his sisters are giving him unwanted makeovers or he's racing them to the couch to gain control of the TV, Lincoln is often getting involved in antics with his siblings. Lincoln's best friend Clyde, who happens to be an only child, is jealous of Lincoln's large family and is always willing to play his part in the schemes. Clyde has a crush on Lori, Lincoln's oldest sister and self-proclaimed boss, who is dating Bobby, who holds many jobs -- including lifeguard and mall security guard -- even though he's not very smart.

Lincoln is convinced the middle school lunch lady is holding a grudge against him and his older sisters; Mr. Grouse attempts to find some peace and quiet after moving away from the Louds.

When Dad discovers that his childhood camp is closing, he decides to take the family for one final visit; they soon uncover a map that could lead to a treasure big enough to save the camp and prove the existence of an old camp legend.

To make it to school, the Louds must survive a monstrous Lynn when the weatherman declares it a Packing Day; when there are signs of a yeti in Royal Woods, the Action News Team sets out to prove its existence.

Lincoln spills one of Lisa's experiments, setting off a chain reaction throughout the house; Lincoln tries to encourage the family to stop using so much electricity.