Padre, yo te cuidaré

One day, four siblings, who their parents worked hard to raise, move back to their parent's house with a story of their own. Jung Eun comes back from traveling around the globe for three years and tries to make a living after renting a shop place from "Gatsby who gets rents". However, Jung Eun finds Hyun Woo secretly watching her grandma's place. Hyun Woo is the president of an internationally renowned investment firm, but right now, he's hiding his identity. As Jung Eun starts to figure him out, his plan starts to go wrong. Sung Jun is Jung Eun's brother who goes to Taiwan for business and helps Dong Hui who encounters all kinds of issues. In the end, Sung Jun falls in love with Dong Hui, but it turns out Dong Hui is his in-law who's living on the rooftop of his grandma's place. How will the closely intertwined relations of the four siblings be disentangled?