The Ross kids return to Camp Kikiwaka only to discover the cabins were never rebuilt and Gladys has disappeared. Now they must figure out how to keep the kids happy, including new campers Matteo, Destiny and Finn.
After learning they are officially the new owners of Camp Kikiwaka, the Ross siblings have to decide which one of them will actually be in charge of the camp.
Destiny and Matteo try to save the lobsters that Ravi's cooking for the Lobster fest. Meanwhile, Zuri's looking after Finn, and Lou and Emma are having trouble setting the whole thing up.
Matteo and Finn come across a strange collection of bones and suspect they are from a new species; they set a trap for the creature and want credit for their new discovery.
Finn, Matteo and Destiny fix up an old car as a present for Lou's 10-year anniversary at Camp Kikiwaka; Emma, Ravi and Zuri decide to throw Lou a surprise party.
The counselors clean out the storage room and find a fortuneteller machine that reveals something important will go missing and a sister will betray another sister.
Everyone prepares for the upcoming camp tournament, the Kikiwaka Cup; Zuri, captain of the campers team, is confident that her group will finally beat the counselors.
The children explore the booths at Camp Kikiwaka's Olde Moose Rump Days; after finding an old wooden box from Zuri's booth, the kids suddenly find themselves in the 1600s wearing Colonial garb.
Because Emma, Zuri, and Ravi have new jobs, their mother wants to sell the camp. Worried that Lou will be devastated when she finds out, the three tell her on a balloon ride.
