The Spring of Sparrow (2014)

The Spring of Sparrow 2014 / 麻雀春天 2014 / Ma Que Chun Tian

Zhao Bao Zi grows up in the streets making a measly living selling buns, yet a war-fraught country has left the economy in shambles that it is impossible to survive. Nonetheless, Bao Zi's buns really do taste good and he finds work as a chef in a prison yard. To his surprise, a female agent named Ge Hong Ling has been captured in the same prison and she urges him to rescue her and her comrades. source: Chinesedrama.info