Devoted family man Simon finds his neighbourhood terrorised by a group of teenagers, led by 17-year-old Jordan. When Simon's frustration reaches its peak and he confronts Jordan outside his own home, a split-second decision changes everything.

As Jordan remains in a coma, Simon is hailed a local hero. However, when DS Evans begins investigating the assault, she quickly spies holes in his story. Simon's wife Beth starts to develop her own suspicions.

Simon takes matters into his own hands, threatening his old boss Jimmy to fast-track his redundancy payment. Meanwhile, DS Evans follows up a call Simon made the night before the attack, threatening a local youth.

Time is running out for Simon and Beth as their lies finally catch up with them. DS Kelly Evans starts to piece the puzzle together and races to find Simon, aware she's not the only one.