It's a spy drama during Japan's occupation in Shanghai. Both are taken place in Shanghai and also a communist agent

this is also a story about chinese doctors who are in Navy and they're on a hospital ship, visiting developing nations and give them medical aids for free

it's a realistic story of a couple who juggles between their love life also their career, trying to survive life as a beijing drifter

The origin story of where Zhang Foye came from and how the friendship between Zhang Foye and Er Yuehong stars