Sam convinces Dean to take a job at Camp Sunshine, a summer camp for children with diabetes. While trying to take care of a spirit that is causing accidents and hurting campers, Dean must deal with a familiar problem and runs into an old friend.

Dean is diagnosed with an illness that requires long term care. This leads to a time when the Winchesters were a family and Sam gets to experience a taste of normal, or as normal as things can be for the Winchesters. Longer summary inside.