Willie plays Santa Claus at the local church, but the event proves disastrous when Si, as his elf helper, brings the wrong presents and scares the kids.
Rebecca comes home for a visit after finishing a fashion internship in Los Angeles, California, but Willie starts wondering how long she plans to stay.
After Si contracts what he believes to be bird flu, Phil and Miss Kay let him stay in living room with them while he recovers and end up trying not to let him drive them crazy.
Jep and Jessica's plans to take a romantic driving tour of the countryside go awry when they get stuck with both a very small car and Si, who is intent on catching the Loch Ness Monster.
As Korie leads Mary Kate and the bridesmaids in search of the perfect dresses for everyone, Willie's ideas about suits and hair grooming put him at odds with the stylist John Luke brings in to outfit him and the groomsmen.
Phil, Miss Kay, Martin, and Godwin end up being dragged into Jep's grandiose artistic vision, which slowly deteriorates into egotism and utter chaos.
After Jase gets a ticket for illegally parking his truck on the side of the road, Si comes up with a bizarre strategy to help him fight it in court that works even worse than expected.
Jase's idea for a "flying" duck decoy on a zip-line sends the guys to the swamp for a field test, with him doing most of the dirty work, and thoroughly fails to impress Willie.
Willie, Korie, and the guys confront Si about his sudden unusual behavior around the warehouse and learn that he has started pursuing a music career in his off-hours.
He plans to retire from Duck Commander and wants a huge going-away party, taking time first to show Jep, Martin, and Godwin the secrets he has hidden around the warehouse - including a fully stocked "nap fort."