Sunshine 2015 one on netflix

Sul-ji, exiled from North Korea 2 years ago, is cheerful lady who is working at flower shop. Using her experience that drew propaganda paintings in North Korea, she draws wall-painting for part-timer. Desperate Broadcast producer Shin-woong, discovers her and trying to make hit documentary about her, but she hesitates minding her families still in North. Eventually she decides to go in under the condition that she hides her identity.