Merseybeat S04E01 - Hearts and Minds

Kim and Tom Vale return from their honeymoon to sounds of a scuffle in the next door flat and a child screaming.Tom goes to investigate and finds 11- year-old Callum being attacked by a thug looking for money. Both Callum and Tom are injured. But why is Tom, even though he got a clear view of his attacker, so reluctant to testify? At Newton Park police station, DI Pete Hammond knows the truth about why Tom Vale won't speak out but he too is reluctant to explain to Supt Jim Oulton. But when events take a tragic turn and the case becomes a murder investigation, it may be that some home truths will have to be faced by all parties.