Eager to prove their faithfulness, the couples arrive in paradise — and meet the sexy singles they'll be living with for the next three weeks.

Tension and temptation sizzle during first dates. A breakdown at a party sparks a major breakthrough. The women bravely weather their first bonfire.

Mark pushes the men to sit with their feelings. Revelations from the bonfire leave some rattled and others renewed before their double dates.

The girls and guys hit the island for a night of partying. One participant questions everything after the bonfire reveals what went down in the villa.

After a major betrayal, bonding and debauchery ensue at the villas. The Temptation Haven opens, a perfect place to quench thirst — and get vengeance.

At the third bonfire, everyone gets a choice: watch a second clip or decide they've seen enough? Later, video messages provide clarity and closure.

A half-hearted olive branch is met with silence. In a surprising twist, the men and women visit the opposite villas before their final dates.

Hearts sink and self-love soars as the final clips roll. The girls and guys celebrate the singles' last night on the island with flirty festivities.

The final bonfire looms. The original couples decide what their future looks like: Will they leave the island together, alone — or with someone new?