Upperdog (2009)

Since childhood, half-brother and sister Axel and Young have been adopted in Norway, they live in different places. Axel lives in a wealthy family on the west side of Oslo, while Yang en lives in an ordinary family on the east side. Yang en, in contrast to her brother, remembers her trip to Norway, but she doesn't know exactly where she is. Later, some coincidences caused brother and sister to meet, which triggered an emotional storm.