在家具生产公司工作的大兼久道子（玉城TINA）有一个不为人知的秘密。那就是她其实是个铁道宅。因为和恋人分手而陷入失恋期的道子，每到假期就会去享受不被任何人打扰，属于自己一个人的铁道之旅。

Ohganeku Michiko, who works in the planning sales department of a famous furniture maker, had a traumatic experience with her ex-boyfriend in the past. Being a railway otaku for 10 years, she uses her free time to visit train stations on local lines nationwide where she meets various people, enjoys the scenery and delicacies.

『鉄オタ道子、2万キロ』（てつおたみちこ、にまんきろ）は、2022年1月8日（7日深夜）から毎週土曜 0時52分 - 1時23分（金曜深夜）にテレビ東京系「ドラマ25」で放送予定のテレビドラマ[1][2]。主演は玉城ティナ[1][2]。

가구점에서 일하는 철도 오타쿠인 주인공이 열차를 타고 지방에 있는 로컬역에 도착해 사람들을 만나고 경치와 음식을 즐기며 자신을 찾는 이야기