Two men must relive the most terrible day of their lives in this expertly written thriller from Korean director Cho Sun-ho.

Returning from a long trip abroad, skilled doctor Jun-young comes across a car accident scene on the way to meet his daughter. In a horrifying twist of fate, he soon realizes that the person killed in the accident is none other than his beloved daughter, Eun-jung. Just as he is wrestling with the shock of this, everything repeats like a déjà vu: Eun-jung getting hit by a taxi and Min-chul, the paramedic, checking on other victims - including his own wife inside the taxi.

The disastrous hours repeat again, and again: the accident scene, Eun-jung, Min-chul’s desperate face, and so on. Lost in repetition, Jun-young notices that he is not the only one trying to save a loved one in the endless time loop. Now, Jun-young and Min-chul decide to work together to redesign the gruesome future.

Tight and expertly written, the tension and unorthodox storyline of A DAY keeps audiences on edge throughout the film as it builds up to its emotional climax.