Zhao Cheng, the eldest son of the Zhao family, was left disabled after a car accident and was later pushed down a flight of stairs by his half-brother, Zhao Tianhao. Just before his death, Zhao Cheng learns that the car accident years ago was actually caused by Zhao Tianhao. Filled with resentment, Zhao Cheng collapses in a pool of his own blood. However, the story doesn't end there. He then finds himself transported back to the bus that caused his disability.
