When Jase and Jep get into an argument over which of them is the rightful heir to their grandfather's old rifle, they decide to settle the argument with a marksmanship contest. Meanwhile, Willie and Korie help Rebecca prepare for her trip to Taiwan with her new fiancee by rehearsing the customary Taiwanese engagement ceremony.

When a large storm hits Monroe, most of the adults head to Phil and Kay's to help protect their house from flooding while Jess, Sadie, Rebecca and Cole babysit the kids. Meanwhile, Jep, Si, Martin and Godwin try to protect the Duck Commander inventory from a leaking warehouse roof.