The summer of love is officially underway as the islanders arrive at their beautiful beachside Villa; it doesn't take long for them to couple up, but when a surprise islander moves in, someone might go home before they have time to unpack.

After Kyra choses the guy she wants to couple up with, one female Islander is left riding solo while some of the other pairs start to rethink their choices.

When two new male Islanders (Dylan and Cormac) walk into the Villa, the girls see potential options while the guys smell competition. Watch all-new episodes of Love Island weeknights at 8/7c on CBS and CBS All Access.

Dylan spends some alone time with Mallory, while Cormac attempts to steal Elizabeth from Zac; the male islanders must overcome an assault obstacle course before everyone braces for the season's first recoupling ceremony.

Yamen starts to build a deeper connection with Alana, while Caro gets to know Cormac a little better; all the islanders band together for Weston's birthday, which is upstaged by the arrival of two new female islanders.

The two new girls don't get the warmest reception from some of the female islanders, but the boys more than make up for it; after spending time with Christen, Cashel and Yamen start to second-guess their current romantic situations.

Yamen and Weston cuddle up to Christen and Katrina while Alana and Mallory spend an unromantic night together; after a comical competition empowers all the girls, each boy takes control at a recoupling ceremony that sends two packing.

Winston arrives at the Villa looking for love and ready to abandon his single status; a few couples get real about their relationships while an R-rated challenge raises everyone's heart rates.

Caro starts to fall for Cormac, but she questions whether the feelings are mutual; Zac and Elizabeth can't stop gushing over each other; the islanders compete in a food-themed challenge; Arielle appears for an unexpected dumping.

After the recoupling ceremony, Kyra cools things off with Cashel and Zac asks Elizabeth to be his girlfriend; six new islanders enter the Villa, and quickly start to drive a wedge between a few of the couples.

Not everyone in the Villa is excited to welcome the new islanders into their abode, but nerves seem to settle after all they all play a game; Weston can't deny his attraction to Kelsey, while Eric makes a beeline for Caro and Kyra.

Eric's ego continues to polarize the Villa, but his self-confidence has a positive impact on Kyra; Elizabeth and Zac get some time away; their post-date euphoria is interrupted when Arielle shows up to announce an unexpected dumping.

It's time to recouple and the results lead to one boy being dumped from the island; the islanders find out what America thinks about them and the sentiments aren't all positive.

Yamen grows increasingly frustrated when some of the Islanders accuse him of being a player, while Weston and Kelsey embark on a romantic date that brings them closer together; an unexpected dumping leaves the entire Villa shook.

The Villa deals with the fallout from Katrina and Cashel's dumping, which provokes Kyra to push Eric away; the arrival of three new islanders lifts everyone's spirits until one bombshell threatens to break up more than a few couples.

Eric tries to rebound from Kyra, but he's not the only one with a crush on Emily; Caro starts to vibe with Ray, but can't deny her attraction to Anton; Weston appeared to find his dream girl with Kelsey, but looks can be deceiving.

A recoupling ceremony sends three islanders packing and the remaining pairs reeling; Ray and Caro check into the Hideaway for a passionate evening alone, but it's Weston and Emily's steamy PDA session that has the whole Villa buzzing.

Weston looks like Emily's dream guy until the girls tell her about his less attractive qualities; Emily confronts her new boo, who doesn't take kindly to his character being questioned and does whatever he can to save face.

As we inch closer to the finale, the Islanders say goodbye to yet another couple before embarking on their craziest challenge yet and lucky for Caro, her knack for baby talk with Ray helps them win a gold star for guardianship.

The Villa gets two more vacancies when America chooses which four couples make it to the finale; Kyra gets some help from cupid when she reunites with her true love; two couples set out on their final dates and both end in tears.

The last two couples go on their final dates before a surprise visit; while some parents can't wait to set a wedding date for the dreamy duos, others are a lot more skeptical that these relationships are built to last.

The final four couples wake up to brunch, which gives everyone time to reminisce about their time in the Villa; after each twosome delivers heartfelt declarations of love, it is announced who America voted as the winning couple.