Married couple Jon and Danielle are interested in having group sex. Mady and Nathan want to bring another woman into their relationship: will their first sexual experience with an outsider go to plan?

Mike and Jess from Essex need help navigating their first threesome with a woman, and Jon and Danielle from Bolton test whether they're emotionally ready for group sex.

Liam and Stacey want to fulfill Liam's fantasy of watching Stacey have sex with another man. Will the reality measure up? Alex and Lydie want to spice things up, but can they agree on their boundaries?

Married couple Al and Jasmine have dabbled in sex parties before, but now want to take things further. Alex and Lydie want to push their boundaries even more...

Jasmine and Al continue their non-monogamous journey with a change of direction. Can opening up sexually to other people future-proof L'Oreal and Kalid's relationship?

Helen and Steve want to inject some romance into their relationship... can the retreat fulfil their desires? Are Caius and Eli prepared for the reality of a threesome?