22-year-old Im Nayeon would like to be anywhere but on a plane to Osaka to attend her father's second marriage to a woman she's never met. She hasn't seen him in nearly two years, and she still hasn't forgiven him for falling in love while working a temporary job at Kansai, leaving her mom and changing their lives forever. That's all she can think about as she waits in the airport lounge, frustrated and relieved that she missed her flight and will have to wait for