A Polish/Swedish film that "deftly punctures the social media bubble," Sweat centers on a "picture-perfect Polish fitness influencer" with 600,000 Instagram followers and endorsement deals, magazine spreads. And yet, she's lonely and insecure, especially since her star power seems to be fading. The movie makes its Cleveland premiere tonight at 9 at the Cleveland Institute of Art Cinematheque, where it also shows at 6:30 p.m. on Sunday. Tickets cost $11, $8 for Cinematheque members, C.I.A. and CSU students with I.D., and anyone under the age of 25.