Mark, a rookie in a global marketing enterprise, is weary of his repetitive job and challenging workplace infightings. Exhausted by overtime hours, Mark even has an illusion of the Grim Reaper. One day, Mark’s colleague mistakes him for the grandson of the biggest shareholder of the company. Mark is promoted and assigned to go on a business trip with his assistant Emma, whom he forms a strong attachment with. Mark is willing to risk everything to maintain the lie. However, the company gets involved in an insider trading scandal. What will Mark do to tackle the crisis?

Taipei 24H divides 24 hours in Taipei into 8 shorts. It opens with Cheng Fen-fen's upbeat and comedic "Share the Morning", and ends with Lee Kang-sheng running the final leg of this relay with "Remembrance" at 4am. Well-known director Tsai Ming-liang makes a rare appearance visiting a late night coffee shop. Taipei 24H is a contemporary urban chronicle of a city rarely at sleep.