With nothing to do all day, the idle Lin Fei Long would often turn to stealing. One night out, on a heavy rainy day, when Fei Long was caught up in an alley, he accidentally witnesses a violent sexual crime. Fei Long walked out of the alley and chose to leave the scene of the crime behind. But, as time went on, Fei Long's heart grew more and more uneasy until one day he meets the foreign caretaker girl from that fateful night...