Ji Jin-hee is Kim Yoon-seong who has a gift for flying airplanes. He appears as a very rational and a perfectionist, but he's actually a humanist who has a soft heart.
Han Sang Eun moved to Australia when she was a teenager. Years later she goes back to Korea with her American boyfriend. Her family, however, has their hopes set on her marrying a nice, Korean boy. They do everything in their power to make her fall in love with Kim Yeo Joon.
A comedy drama centering around 4 sisters. The sisters and their families live in the same multi-story building with a coffee shop on the 1st floor.