A criminal gang in Cardiff set up an elaborate scheme to import cannabis from the United States.

When their insider is arrested, the gang leader has to scramble to keep his illegal operation alive.

Get in touch at behaveyourself@bbc.co.uk

Presenter: Rima Ahmed. Reporter: Matt Murray. Produced by Luke de Costa. Researcher: Bethan Davies. Social Media: Fede Marilotti. Online Producer: Rachael Smith. Executive Producer: Luke Eldridge. Commissioning Editors: Gareth Hydes and Alistair Miskin.

Stephen Woodward builds a million-pound business selling access to illegally streamed TV channels.

He’s digitally savvy, however, it’s not long before he starts leaving the police clues about his cyber crimes.

Get in touch at behaveyourself@bbc.co.uk

Presenter: Rima Ahmed. Produced by Luke de Costa. Researcher: Bethan Davies. Social Media: Fede Marilotti. Online Producer: Rachael Smith. Executive Producer: Luke Eldridge. Commissioning Editors: Gareth Hydes and Alistair Miskin.

Michelle Mills and her ex-Royal Marine lover, Geraint Berry, want to continue their romantic affair.

The lovers plot how to remove Michelle’s husband, Christopher, from the picture and cover their tracks.

Get in touch at behaveyourself@bbc.co.uk

Presenter: Rima Ahmed Reporter: Meleri Williams Produced by Luke de Costa Researcher: Bethan Davies Social Media: Fede Marilotti Online Producer: Lee Macaulay Executive Producer: Luke Eldridge Commissioning Editors: Gareth Hydes and Alistair Miskin