**_“Friday the 13” fifteen years later, but without Jason_** Seven people in their early 30s reunite at the summer camp they attended two decades earlier as tweenagers or thereabouts. The owner still watches over them (Alan Arkin) and informs them of his plan to retire. Sam Raimi is on hand as his assistant who seems slightly mentally impaired. "Indian Summer” (1993) was based around the writer/director’s summer camp experiences at Camp Tamakwa, which Raimi also attended as a kid. It’s similar to “Meatballs,” just with adults and only quick flashbacks of them as children at the camp. ...