 North Queensland lost 16-12 against the Brisbane Broncos in week 1 of the finals series before putting in the most clinical display from a single club all year in the next weeks semi-final against Cronulla in which North Queensland won 39-0, booking their first preliminary final since 2007.The Cowboys beat the Melbourne Storm 32-12 in the Preliminary Final booking their place in the 2015 NRL Grand Final against the Brisbane Broncos, their first since Grand Final in a decade, since 2005 where they finished runners-up.The Cowboys claimed their maiden premiership with a 17-16 win over the Brisbane Broncos.