an Entity references as follows:
All That Is Bitter Is Sweet (Traditional Chinese: 大藥坊; literally "The Great Apothecary") (Jyutping: daai6 joek6 fong1) is a 2014 Hong Kong period, medical, romance drama produced by TVB, starring Linda Chung, Ruco Chan and Raymond Wong Ho-yin as the main leads, with Natalie Tong, Pierre Ngo, Sammy Sum and Elliot Ngok as the major supporting roles. Filming took place from November 2013 to February 2014. The drama began broadcasting on September 8, 2014 on TVB Jade channel during its 8:30 - 9:30 p.m. timeslot, and will finish airing on October 17, 2014 with 30 episodes total.