After surviving a heart attack, FRANK (Michael A. Grimm) is discharged from hospital with orders from the doctors to avoid excessive physical exertion in future. A tango group is performing in the theatre where Frank works as a doorman. In the seclusion of the porter's lodge, Frank takes his first tango steps and develops a fascination for the dance that he could never have imagined. Ridiculed by his friends, he hides his new passion from wife KATHRIN (Eva Meckbach) and daughter PAULA (Lillith Kampffmeyer), and takes lessons with tango teacher MARESA (Kara Wenham). Despite his corpulent build, Maresa fuels Frank's enthusiasm for tango and his motivation. When Kathrin finds out that Frank—despite his frail health and family duties—is "exhausting himself" dancing tango and ultimately risking his life, he has to leave the shared flat and temporarily move-in with his hated mother-in-law INGRID (Gaby Dohm). Frank faces the choice between family and passion...