Brother's Keeper (Chinese: 巨輪; lit. 'big wheel') is a Hong Kong television drama serial produced by Amy Wong and TVB. It stars Ruco Chan, Linda Chung, Edwin Siu and Kristal Tin as the main cast of the series. It premiered on 23 September 2013 on TVB Jade in Hong Kong. The final two episodes aired back-to-back on Saturday, 2 November 2013. The plot is based on the story of Koi Kei Bakery, which is also the show's main sponsor. The sequel, Brother's Keeper II, was released in 2016.