In 1958, the "Water Drop Project" was launched for basic research on submarine theory. Once the project was launched, it became a thorn in the side of the enemy agents, and in turn they made a sabotage plan code-named "Operation Rock". Police officer Pang Hongmei received the important task of protecting the "Water Drop Project", and in the midst of the obstacles set up by U.S. and Chiang Kai-shek agents, she rescued Ji Danyang, a patriotic scientist who has returned from America, from the hands of the enemy agents, and escorted Ji Danyang to Lumen City to take part in the "Water Drop Project". The enemy agents concentrated their forces to sabotage the "Water Drop Project". Pang Hongmei fought a life-and-death battle with the enemy in Lumen City, thwarting the enemy's plots, eradicating the remnants of the enemy agents, and ultimately protecting the "Water Drop Project" to achieve the desired success. After that, Pang Hongmei and Ji Danyang, who have been through the test of life and death, also fulfill their dreams with strong revolutionary faith....

Happy always been mistaken for a boy. Her father was a Barista died ten years ago. He left a diary about how to be a Barista. The dream of happy is to inherit my father's career and become an excellent Barista. But after his father died, she has to live with his younger sister and mother in a live a tight life. In order to repay her debts, the unemployed happily went to the newly opened Prince's Cafe near her home to apply for a job. Jiang Shangwu, the owner, was opening a special Cafe (all boys), so she could not disclose the fact that she was a girl. At the same time, she also met Jiang Shangwu's cousin Qin Zhemer, Qin Zhemer is the gentle and elegant president of White Deer Cafe, but because of his girlfriend Han Xiao's departure and pain, Han Xiao returned home to seek reunification.Happy gives Qin Zhemer some advice, to ease the trouble. Happy and Jiang Shangwu, Han Xiao and Qin Zhemer, the two lovers experienced emotional tangles and career ups and downs have grown, happy also through their own efforts to finally become a barista.leaving a coffee diary written for many years. The dream of happiness is to inherit my father's career and become an excellent Barista. But after his father died, he was happy to live with his younger sister and mother and live a tight life. In order to pay the debt, unemployed happily came to the new prince coffee shop near home to apply for a job, the owner Jiang Shangwu to open a special cafe, so she can not disclose the fact that she is a girl, unexpectedly and bully President Jiang Shangwu from happy friend to friend. At the same time, she also met Jiang Shangwu's cousin Qin Zhemer, Qin Zhemer is the gentle and elegant president of White Deer Cafe, but because of his girlfriend Han Xiao's departure and pain, Han Xiao returned home to seek reunification, happy to give Qin Zhemer some advice, to ease the trouble. Happy and Jiang Shangwu, Han Xiao and Qin Zhemer, the two lovers experienced emotional tangles and career ups and downs have grown, happy also through their own efforts to finally become a barista....