we see the back of a head.
they react to the boom! dog looks at the wall with suspicion, misses a beat, then continues.
dog opens his door, enters the front room, dumps his two bags down and is met by a bleeding plank and john, who is rubbing his chest. dog sighs and turns to get more bags. the action starts. it's hard to tell who is who because of the balaclavas. the lads jump out of their positions.
dog struggles free and unravels the tape from his head and gets the other three out.