Riley, Seth and Logan arrive at a cage fighting club. The atmosphere is charged with girls, fighting and booze and it's not long before Seth has come to blows with a retired footballer.
Unaware of what's in store for them, the Costello boys arrive at the party. Riley is pulling out all the stops to woo glamorous Sami, oblivious that she's out to get him too...
Carl receives a call to tell him that his boys are in trouble, while Jasmine gets upset and runs off after sleeping with Bart. Elsewhere, Malachy and Mercedes have a heart-to-heart.
Carl manages to rescue the boys, but Nathan and Liam are armed and in hot pursuit. Elsewhere Bart tries to escape when Fern turns up wielding a knife to cruelly expose Jason's secret.
The Costellos are forced to hide in the woods, aware that their lives are at stake. Theresa goes into labour with Logan by her side, while Lynsey is stunned to walk in on Malachy with Mercedes.