Damien Dunne is a 17-year-old boy in his final year of school who dreams of becoming a professional MMA fighter in the UFC. Damien trains at Warrior's mixed martial arts gym in Dublin under the guidance of his coach Paddy Rafferty
Damien Dunne, a young aspiring MMA fighter, wants to fight in the cage not on the streets. His brother's involvement with the local drugs gang drags Damien into the world he is trying to avoid.
Wesley has disappeared, leaving the family struggling and pushing Damien to go pro. The botched drug deal has forced Butsy and Bernie to make other plans. Goose's return and the discovery of Tobin's body is on everyone's mind.
As the feud between the opposing gangs intensifies, Damien and Nicola's relationship is exposed. Ian struggles to come to terms with what he has done. Paddy gives Damien some good news.
Damien prepares for his upcoming pro fight. The Keegan's supplier is playing a dangerous game with both crews. Totally distraught, Keith is out for revenge.
Damien's chances of competing in his big fight are in jeopardy. Paddy grows concerned over Damien's involvement with Butsy. Badger, the local detective, uncovers something huge.