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When 15-year-old Holly Newton ended her relationship with Logan MacPhail, her parents soon grew concerned about Logan's behaviour. Logan, who was 16, hacked Holly's social media accounts and ultimately stabbed her more than 30 times in a back alley.

A man is found dead in disturbing circumstances in Buckinghamshire. A Phoenix pile-up leaves blood smeared across the road. A body is discovered dumped under a car on a Mississippi bridge.

Much-loved mother Samantha Holden was found dead in her Hampshire flat by her son. The last message she received was from a killer who went on the run. But his digital footprint would lead armed police officers to his door.

Gordon heads to Southbridge, Massachusetts, and checks into the Vienna Inn, an Austrian-themed hotel and restaurant. Owners Jonathan and Lisa have seen their cluttered inn acquire a reputation among the locals, and business isn't what it used to be.

Barbara comes under Charlie's scrutiny as tragedy strikes GCHQ. Danny, Saara and Roz try to help Vadim escape. And Danny makes an earth-shattering discovery.

Danny puts everything on the line in order to right some wrongs, and Roz and the team must race against the clock to find out what the malware is searching for.

Kirstie Allsopp and Phil Spencer take a look back on two homes which needed storage solutions and savvy spending, from shilly-shallying in Stoke to disorganised chaos in Newcastle.

In Plymouth, Christine and Kevin serve a menu that even the hostess isn't sure of. Harvey and Natasha throw a Spanish fiesta. And, nerves might get the better of Paul and Jo.

Colin Murray, Rachel Riley and Susie Dent host, with Ade Adepitan in Dictionary Corner, as contestants race against the clock to pit their wits against vowels, consonants and numbers.