Addicted (a.k.a. The Poisoning) (2002)

Two brothers, Ho-jin and Dae-jin, were the only family they had. The older brother Ho-jin married Eun-soo, extending their family to three, and they all lived happy, tranquil days together. But one day, in spite of Ho-jin's objection, Dae-jin takes part in a car race finals. At the exact same time and in different places...