This same cast played in "The Confidence (The Controllers)". The ML played a criminal that was obsessed with the FL. The FL was very smart and wasn't a push over. She finessed him right to the end. It wasn't the best written script but their chemistry together was amazing. And some of the espionage triangles were genius. You can find it with subtitles on YouTube.
Same writing\directing team, same genre, same ML and FL. Unexpected Falling is just as good, if not even better, so if you liked The Confidence, you'll like Unexpected Falling as well.
Ruan Zhen Zhen has led a simple and happy life under the protection of her financial guru husband. Everything disappears in a flash after the death of her husband. Forced out of her bubble, Ruan Zhen Zhen is left to shoulder a huge amount of debt. Suddenly, lawyer Gao Jun walks into her life. Ruan Zhen Zhen may be innocent but she is not dumb. She keeps her guard up in the face of the sudden intruder and remains skeptical towards his enthusiasm to help. Will she ever open up her heart?