Mint tells a heartwarming and very human story about life and redemption. An aspiring editor tries to get an exclusive contract with a retired poet who is mourning the loss of his wife. As their relationship deepens, the editor comes to understand his sadness and determines to shepherd him back to happiness. Her cheerful character improves his mood, but she is later struck down by a serious illness. The poet calls on enchantment in his past to help her future.

Hozumi, a gifted scientist, is researching human cloning to save his beautiful and dying fiance, Hiroko. However, just before the completion of the project, Hozumi suddenly quits the lab, to stay with Hiroko until her last moment. Doesn't he want to save his fiance? Fellow scientists are puzzled by Hozumi's course of action and wants him back on the research team, but Muto, an ambitious scientist sees an opportunity to take over the cloning research.