**SPOILERS ALERT! Pls hold off on reading this if you haven't watched eps 19-22 of season 4.*** Kara and Lena get abandoned by their friends on movie night, leaving the two of them alone for the evening. While watching The Greatest Showman, Kara has an epiphany and leaves the cinema in tears. Lena works on the one clue Kara inadvertently left behind to figure out what happened.