In 1455, Nae-Kyung, the son of a noble family that has fallen into ruin, travels around Joseon studying physiognomy. He is able to assess the habits, personality and mental state of a person by studying their face. But this ability gets him embroiled in a power struggle involving the prince.
A young and ambitious sultan ascends to the top of the Ottoman throne desperately seeking more power for his nation. Braving his enemies, he attempts the unthinkable and courageously tries to conquer Constantinople for his people. After marching his heroic group of warriors straight towards Constantinople, the resulting battle is one of the greatest and most brutal sieges anyone will ever witness.