After her sister’s death, Seoyeon believes that her mother Eunhye’s affection will be all hers, until Eunhye’s beloved disciple Jiwoo appears in front of her.

Jiwoo considers dropping out of school due to the financial burden and visits her high school homeroom teacher Eunhye. Eunhye offers to pay Jiwoo’s tuition if she paints a mural for church. Jiwoo accepts it, and together with Eunhye’s daughter Seoyeon, they paint the mural and become close. One day, Jiwoo is upset when her father tells her that his girlfriend and her son are coming to stay with him for a while, Jiwoo leaves the house. With nowhere else to go, Seoyeon brings Jiwoo to Eunhye’s place. Jiwoo becomes more and more dependent on Eunhye, who recognizes her worth and shows her love. When it’s time to be back, Jiwoo confesses to Eunhye that she wants to be adopted. But Eunhye refuses. Feeling betrayed, Jiwoo takes her own revenge and returns home. When Seoyeon realizes she’s been used for revenge, she comes to Jiwoo’s house, and during their confrontation, Seoyeon accidentally dies. Jiwoo flees to the countryside with her family. While Eunhye searches for the missing Seoyeon, she cries as if she’s sensing something.

Goodwill is important because people live together and when someone is going through a difficult time, people can rely on the goodwill of those around them to help them through it. However, naive and lazy good intentions can be inconsiderate of others and can actually hurt or harm them.

The story begins with a problem of the modern welfare system: selective welfare. Jiwoo doesn’t qualify for a government scholarship because she doesn’t meet the income quintile and grade criteria set by the government. Eunhye tries to save Jiwoo’s life by paying her tuition. Jiwoo, however, wants to be fully saved by having a mother, not by financial help. Their paths to salvation go in different directions, and they end up hurting each other.

Touch is a story about empty hope for salvation, and a clash between an arrogant person who thinks she can save others and a selfish person who wants to be saved by others.