When Phineas and Ferb create an orb that allows its user to pass through objects to help find Linda's guitar pick, Candace attempts to bust her brothers with it. Meanwhile, Dr. Doofenshmirtz tries to destroy a statue honoring his brother Roger.

When Phineas and Ferb offer to host Aunt Tiana and Uncle Bob's wedding in the Flynn-Fletcher's backyard, Candace tries to prevent the boys from messing up the wedding and stealing attention away from her role as maid of honor. Meanwhile, Dr. Doofenshmirtz builds a device to turn all healthy foods in the city into junk food, believing that overweight people would be easier to enslave.