It follows a group of close friends in their seventies, still chasing their dreams and love lives to the fullest. Lee Sun Jae used to be a big star but now lives a simple life. Despite challenges, he handles neighborhood problems with humour and wisdom. Kim Yong Gun, another former star turned director, adds fun with his playful arguments. Lim Chae Mu, dreaming of YouTube fame after a career in lighting, completes the trio. Together, they show that friendship and adventure never get old and that age is just a number.
Kwon Do-hun is an expert sniper and a secret agent working for the National Intelligence Service. To conceal his true identity, he lives a double life as a regular trading company employee, keeping even his wife Kang Yu-ra in the dark. Though he is occupied with his work, Do-hun cherishes his wife deeply. Meanwhile, Yu-ra, a dedicated homemaker, harbors a secret. Their tranquil existence is thrown into turmoil when Jo Tae-gu emerges, posing a threat to their carefully crafted façade.
When Sumi, a high school senior raised at an orphanage, decides to suicide, hospice nurse Seojin dramatically stops her. Nowhere else to go, Sumi visits Seojin's hospital to find a way to end her life. For the first time, she finds attention, love, and comfort from those who are spending their last moments in life.
Kim Hee Woo came from an inauspicious start as a low-grade high schooler to work his way up through university and finally pass the bar examination. His relentless hard work has finally paid dividends, and he has become a public prosecutor. During the course of his investigations, he must conduct a probe into a politician suspected of corruption. But his investigation is abruptly ended when a mysterious man kills him. However, he later comes to, finding that he is actually alive. Restored to the mortal realm, he finds that he must return to university and complete his academic journey again – while he tries to discover the truth about what happened to him.
A zoophobic national security agent suddenly receives the ability to talk to animals after a freak accident.
Lee Soon-jae (이순재) is a South Korean actor. He was born in Japanese-occupied Korea in what is now North Korea, but moved to Seoul at age 4.