PERFORMANCE: Theater company Mugwumpin presents Get This Go, which takes place in three rooms at the Pacific Heights Inn. The performance focuses on the victims of natural disaster, and the audience will move freely between the rooms, peeking into the lives of those who wait in the "neither-here-nor-there," hoping for safety to return, making do with only what they could carry with them.

7 to 9 p.m. // Pacific Heights Inn (1555 Union St) // free

LITERARY: Bestselling author Dan Ariely presents his new book, The Upside of Irrationality, in which he blends everyday experience with groundbreaking analysis and new research into how humans make decisions, explaining how expectations, emotions, social norms, and other invisible, seemingly illogical forces skew our reasoning abilities.

7:30 p.m. // The Booksmith (1644 Haight St) // free

FILM: Peter Bratt’s La Mission, an "ardent love letter to the vibrancy of San Francisco’s Mission District and an urgent corrective to the violence that plays out in its streets," starring Benjamin Bratt as an ex-con who has turned his life around, is showing this week at Little Roxie.

6:45 p.m. // Roxie Theater (3117 16th St) // $5