Father and son, father and daughter, and even families connected by heart. A story about 'father' depicted through 3 touching dramas. <Blue Aura> Dongho falls into a post-pandemic blues after losing his father to COVID-19. He decides to stay alone for a few days at a forest cabin he once visited with his father. His father's unreadable letters, and Dongho who brought them to the cabin like homework. Still unable to open the letters, he just empties bottles of liquor... <When the Cold Wind Blows> Yunsu, the eldest daughter, tries hard not to let go of her career while taking care of her terminally ill father after work. However, her father's condition continues to worsen, and her mother doesn't understand Yunsu who clings to work and the company amidst it all. War-like situations start as soon as she enters the house. The news that company work will switch to remote work due to COVID-19 is like a thunderbolt to Yunsu... <Shining Reverend> Reverend Myeong, who works at a free community kitchen for young adults preparing for independence. He feels guilty as if it's all his responsibility when he hears that Jongho, whom he once cared for at an orphanage, attempted suicide. Meanwhile, Yuna, another independent youth aspiring to be an idol, falls into despair after continuous audition failures, and eventually develops an eating disorder in front of Reverend Myeong...