From two different worlds and with separate missions, an astronaut and a space tourist entangle in space — only to start falling for each other.

A window couple, who have been living without speaking to each other for three years in an arranged marriage, receive a threatening phone call from a kidnapper.

Set during the Joseon Dynasty, the story of the meeting between the young widow Jung Soon-deok and young widower Shim Jung-woo as well as the struggle the two go through…