‘Marilyn-My Secret’ play at MACHA Theater. ‘Marilyn-My Secret’ chronicles the life of Norma Jean from unwanted orphan, to bit player, to sex goddess including the untold story of Marilyn’s affairs with both female and male lovers. Play runs from July 18 through August 24, Fridays and Saturdays 8 p.m. and Sundays 6 p.m. Tickets, $40, available online.