The legend has it that the treasure hidden in the Eldest Son's Tower is more precious than gold and diamonds, and by entering the Eldest Son's Tower, one can control the whole world. This legend has aroused the covetousness of many people, and some people have even lost their lives because of this. Archaeologists John and his brother Michael have been committed to finding this tower, dreaming of excavating these treasures. Unexpectedly, their reunion stirs up sorrowful memories. Michael has always resented John for taking Elizabeth, the woman he loved. The emotional grudges make Michael try to kill his brother John for many times, but John turns the other cheek and saves Michael from danger, hoping to win his forgiveness...