Vicky Pattison and Lucinda Light host a radical new dating experiment as couples face a high-tech lie detector - with £100,000 at stake. The only rule? Do not lie!

A lie shakes one couple, while cracks form in another. A partner swap is a success, but a rash decision brings tears to Truetopia.

Two new arrivals shake things up, while a shocking revelation spells the end for an OG couple. And an attempt to outsmart the Honesty Box backfires in a big way, leading to unexpected consequences.

Some harmless fun among the girls has far-reaching consequences. A newbie tests an existing relationship. And one couple crumble, leaving the entire group reeling from the fallout.

One couple face yet another test, and a bold move is made. New arrivals bring new horizons for some. And as past decisions catch up with the group, tensions are at an all-time high...

The love triangle that has brought chaos to Truetopia culminates in a fiery showdown, while a romantic dinner has a sting in the tail. And a secret pact spirals into something much bigger.

After a shock exit, there's no let-up as the Honesty Box presents some of the toughest questions yet, forcing raw and uncomfortable truths into the spotlight. And one couple seal the deal with a kiss.

Truetopia's final chapter unfolds. Who can prove that their connection is built on strength and authenticity? The pressure's on. The truth has never mattered more.