What is the ending of the umbrella Korean drama "The Prince"?

The prince fainted because he had blood deficiency a year ago and his physical condition was not optimistic.

The prince is not dead at present. Shizi is the most accomplished, caring and capable son in the Temple of Heaven. As nave's eldest son, he undertook all the expectations of his parents.

Umbrella, also known as Under the Queen's Rain, is a drama in which Jin Huixiu, a veteran opera actor, returns to costume again after 20 years, as an acting school and a grand slam winner.