It's 1977 San Francisco - the flower children have all grown up and Ronnie Reagan is just around the corner. Seventeen-year-old Phoebe O'Connor (Jordana Brewster) feels inert without a cause, save her obsession over the death of her hippie older sister Faith (Cameron Diaz), who killed herself while traveling in Europe six years ago. Determined to find out the truth about Faith's suicide, Phoebe journeys to Europe and follows her sister's exact itinerary… and discovers who her sister really was.

"The Invisible Circus" covers familiar territory - Sixties radicalism - with unexpected twists. Director Adam Brooks, who adapted the novel by Jennifer Egan, is telling a ghost story. Eighteen-year-old Phoebe O'Connor (Jordana Brewster) is haunted by her sister Faith (Cameron Diaz), a political revolutionary who killed herself in Portugal in 1971. Why? Six years later, Phoebe leaves San Francisco and her widowed mom (Blythe Danner) to find out, retracing Faith's European odyssey. That includes a…