See-Saw (2016)

A whole new world meets you. Lee Dong-woo gets a call that someone is donating a retina to him. Lee Dong-woo meets this donor who can't move at all and can only see right ahead of him, then they plan a trip together. These men are the breadwinners of their families with beautiful daughters. They go to Jeju Island and learn a little bit about each other. The two start filling up each others' holes and find each other feeling comforted.