Synopsis

In 2050 Seoul, astronaut Nan-young’s ultimate goal is to visit Mars. But she fails the final test to onboard the fourth Mars Expedition Project. The musician Jay buries his dreams in a vintage audio equipment shop.
The two fall in love after a chance encounter. As they root for each other and dream of a new future. Nan-young is given another chance to fly to Mars, which is all she ever wanted…

(Source: Netflix)