CABARET: The Conservatory of Flowers presents The Fine Art of Poisoning, a night inspired by San Francisco's "femme fatale for the thinking man" Jill Tracy. "Vacked by members of her Malcontent Orchestra, she will weave a web of cautionary tales, lusty murderous obsessions, and shadowy stories of secretly-served revenge," amidst the spooky backdrop of the Conservatory's poisonous plants. (6 to 10 p.m., Conservatory of Flowers, Golden Gate Park, 100 John F. Kennedy Drive)

FORUM: Donna Sachet will moderate tonight's HIV Community Mayoral Candidates Forum, featuring a panel of HIV+ community leaders who will discuss which of the Mayoral candidates would best represent the needs of people with HIV/AIDS in San Francisco. (5:30 p.m., State of California Building, 455 Golden Gate Avenue)

FILM/VIDEO: Artists' Television Access' annual Film & Video Festival kicks off tonight with an opening reception, featuring a chance to meet the filmmakers, along with a media installation and light refreshments. (7 to 9 p.m., Artists' Television Access, 992 Valencia Street)