When two men find their lives derailed, they meet challenges that force them to face a fierce battle to protect their loved ones.

"I am writing to confirm that I am alive" Yoon-soo feels anxious "Do I have to fill it out? Why not just leave it empty?" Eun-kyeong stays in anxiety "Sometimes I feel like a character in a novel" Chi-won confirms what is behind his anxiety "Does anxiety eat your soul?" Joo-hee embraces anxiety Beings living with their own share of anxiety, Yoon-soo, Eun-kyeong, Chi-won, Joo-hee live precariously in an entangled relationship. It's disturbing, but that's how it is.

Shot in black-and-white, this story told partly in flashbacks with excellent acting focuses on a cleaning woman and a teacher. She displays self-destructive behaviour as a result of a terrible tragedy. He is unhappy, has suppressed feelings and incessantly phones the council about all kinds of trifles. Where she seeks extremes, including excessive sex and lies, he is introverted. When these two damaged souls meet at work, a bond results and they go traveling together. But their inability to communicate breaks the vulnerable relationship and this again has tragic consequences.

For the final birthday party of the eldest son, a family gathers in the house to have a plan with a bus..... Mother asks each of them to stay in his room for 10 minutes. Each person reveals personal wounds and secrets.

Kyungho confronts a young lady, who is the daughter of Insook, his first love. She asks Kyungho if he was her father.