Four couples are given an opportunity to bring a third love into their relationship as they meet, mingle and date a whole host of singles before deciding if they want to become Throuples.

The newly formed Throuples face their first challenge as a threesome, testing boundaries and pushing some relationships to their limits; with questions raised, the unmatched singles return to the resort to get to know everyone a little better.

After engaging in a jealousy relationship session, the four Throuples participate in their first Stay or Swap ceremony.

The Throuples face a test of core values, leading to some open and awkward conversations; the relationships are further tested when a new couple intent on getting to know everyone enters the resort.

As the resort's newest couple explore their options, the Throuples engage in an honesty session; big decisions are made at the Stay or Swap ceremony.

Decisions at the Stay or Swap ceremony send shockwaves through the resort; the Throuples' communication skills are put to the test.