After more than a month of rehearsals, Beacon Theater Company will stage “Annie Jr.” at Vermilion High School today and Saturday at 7 p.m. and 2 p.m. on Sunday. “Annie Jr.” is a musical following the story of orphan Annie who dreams of reconnecting with her parents while at the orphanage with a cruel Miss Hannigan. She’s chosen to spend Christmas with the billionaire Oliver Warbucks, where she has the chance to find a new family.