Hi, I've watched this series online!! It's very good. It's not out on sale yet (always check Yesasia.com). You can try searching online (i.e. baidu.com or tudou.com) to see if you can watch it for free... Cantonese name is 同事三分親. Good luck..

Try looking here if you want to buy any series or movies: http://www.yesasia.com/global/en/hong-kong-tv-series-dramas.html (change your preferences on the left hand side bar).