Don Juan DeMercado 2010 (Hong Kong), also known as Cing Jan Ngaan Leoi Gou Jat D, Qing Ren Yan Li Gao Yi D is Hong Kong drama premiere on Feb 15, 2010 on TVB Jade
The story is about a plain-looking vegetable market worker Gung Yan-tung (Wong Cho-lam) who mysteriously turn into the most popular cantopop star Gan Lik-shun (Bosco Wong) after he eats chocolate. While Gun Lik-shun is in "singer mode", he is by far the best selling celebrity in Hong Kong. The problem is that when the chocolate effect wears off, Gung Yan-tung becomes a regular person again. He soon develops a relationship with Tse On-fei (Kate Tsui), who has no idea of his real identity.