From China Digital Space

胜利大逃亡 (shèng lì dà táo wáng): Escape to Victory

Escape to Victory is a 1981 film about Allied prisoners of war who are interned in a German prison camp during World War II.

When used by netizens in 2012, the phrase refers to Cheng Guangchen's escape from hourse arrest and flight to the U.S. Embassy in Beijing.