An arrest at Laura's memorial sends shock waves through he community. But is the murderer still at large or will the Halpin's finally get closure?  

Pete is horrified to realise that he's dug himself in even deeper with J.J. Emma advises Rafferty not to repeat old mistakes when it comes to Joan. Fidelma and Detective Buckley are in a race against time when they discover a gunman in McCoys. When Dean tackles the gunman, the gun goes off, with devastating consequences