Single contestants arrive on the island, where they're introduced to potential friends, lovers and foes they'll be living with for the next eight days.

The men race to win a brunch date. Matched couples leave for their first night in Paradise, and reveal their age and jobs to one another.

Se-hoon pulls Ji-yeon aside for a chat before the second couple selection. A surprise announcement throws the singles a curveball.

A mesmerizing night in Paradise changes the game for Si-hun. Confused by Jin-taek's actions, So-yeon has a candid talk with Se-hoon.

Se-hoon responds to So-yeon's previous advice and confession. Newcomers enter the island, shaking up the game and bringing trouble to paradise.

The men try to push each other out of the game. The women take turns chatting up Hyun-seung. Se-hoon contemplates following his heart.

Ji-yeon and Se-hoon clear up misunderstandings. So-yeon and Jin-taek grow closer. In pairs, the singles compete in one final game for Paradise.

On the final day, singles choose the person they want to leave Inferno with. How many couples will depart the island hand-in-hand?

A new group of single men and women arrives at the Inferno, where they make their first impressions and find opportunities to connect while settling in.

The women play a game where the winner gets to go on a brunch date with two men of her choice. The first round of matching takes a shocking turn.

Matched couples finally learn each others' age and profession. Back at the Inferno, disappointed singles take time to reflect on the events of the day.

A charismatic newcomer captures Shin Seul-ki's attention. For the second couple selection, some follow their heart while others seek someone new.

In Paradise, one couple enjoys time at a theme park while another finds surprising common ground. A third couple develops some romantic chemistry.

Jo Yoong-jae and Choi Seo-eun touch base after a night apart. Choi Jong-woo expresses his true feelings. New arrivals shake up the dynamic of the group.

The newcomers pick their dates. Kim Jin-young's growing popularity gives Jong-woo a chance. The ladies wrestle for one of three tickets to Paradise.

Upon having honest discussions with their peers, Lee So-e comes to a thoughtful understanding of herself while Seul-ki becomes further conflicted.

After an intense game, three men claim their ticket to Paradise. Jin-young tries to reconnect with Seul-ki, who wonders what his true feelings are.

As their time at the Inferno comes to a close, singles decide who they'd like to leave the island with. Could this be the start of new love?

Three men and three women looking for love arrive at the island — with an immediate chance to depart for Paradise. But a wild twist awaits the couples.

Fresh new singles enter the game and stir the pot. A pair escapes to Paradise, but will their bond withstand what fate has in store for them?

After a nerve-racking couple matching, a Paradise trip sparks fresh chemistry — particularly for one flirty couple who can't get enough of each other.

The two Infernos merge. Will more options test seemingly-solid relationships? Tension brews after a candidly honest conversation between the singles.

A hot newcomer lands on the island, shaking up a once stoic single. Ha-jeong is riled up after Gwan-hee's jaw-dropping confession the previous night.

The women compete in a game for a chance at Paradise with the man of their choosing. Lee Jin-seok finds himself caught in a love triangle.

Facing many confessions, Gwan-hee must contemplate his options. Choi Min-woo slowly opens up. The remaining men compete in a race for a date in Paradise.

As three couples relish Paradise, two women question Gwan-hee's affections. Later, a chicken fight determines their chance to win a date in Paradise.

Distraught over the "Lee Gwan-hee Derby" result, a contestant breaks down before her date. Yu Si-eun and Min-woo attempt to reclaim lost time.

Gyu-ri’s attitude changes after a startling confession. On his long-awaited date, Yoon Ha-bin goes awfully silent. Gwan-hee struggles to make up his mind.

Hot singles arrive on Inferno in search of love. Within just 10 minutes, two couples are already heading to Paradise — how did things heat up so fast?

It's love at first sight for one single, only to have her heart shaken by a man with unpredictable charms. Meanwhile, new connections start to form.

Couples return from their retreat to Paradise, creating tension in those already with attachments. After, the women compete for an exclusive date.

The campfire hangout turns into a whirlwind of confessions and provocations, especially for two singles. After the chaos, a surprise awaits the women.

The women go on one-on-one speed dates, giving a new man a chance to be a contestant. Back in Inferno, the men meet an attractive new arrival.

Lee Si-an struggles with conflicting feelings as she feels pulled between multiple men. The arrival of a new woman throws the group dynamic into flux.

Three couples head to Paradise, deepening bonds and uncovering secrets. Meanwhile, Si-an struggles with indecision, feeling her heart's uncertainty.

The men duke it out in a wrestling match that'll send them to Paradise. But before they go, some singles jump at the chance to define where they stand.

Unforeseen picks send three couples to Paradise, where a sudden double date sways one single’s feelings, while inconsiderate behavior puts off another.

Emotions shift after couples return from Paradise — so when an aquatic tussle awards three women another trip, it sparks an intense and fiery debate.

New singles looking for love reach Inferno and find a fast track to Paradise. Couples fly out, others are left behind — but a twist waits for them.

Stranded singles spark instant chemistry over a meal. As couples return from Paradise, a dodgeball match reshuffles picks — and new bonds start to form.

As fresh connections emerge, a photo shoot challenge begins. The women choose partners — one may even pick two — forming bold pairs. Who wins the prize?

A tricky double pick stirs tension among the singles. Later, campfire confessions send mixed signals, scrambling already tangled lines.