In the wake of her mother’s passing, Helene visits the island in search of her biological father. Roarke and Javier grow closer. Ruby gives herself a spiritual cleanse with a bonfire and a night swim, where she encounters an old friend.

The Island gives single mom Courtney the ability to read minds in order to impress her charismatic boss, Julia. But when Courtney becomes overwhelmed with her new power, she risks everything she has worked so hard for. Meanwhile, Roarke is worried that Ruby is becoming more and more distant and enlists Javier to help.

Sue, Jenna and Brooklyn are the first, second and third wives of Gavin, a charming doctor who's made a fortune selling all-natural vitamins - and broken all of their hearts along the way. Now, they all share the same fantasy: they want Gavin to understand - to feel for himself - the pain he's caused them all. Meanwhile, Roarke brings Ruby's youngest daughter, MJ, to the Island to help Ruby remember who she is. And hopefully keep her from disappearing into the ocean forever with Isla... as a mermaid.

A middle-aged couple and a younger couple arrive separately with their own unique fantasies. All is going well until the couples discover they're sharing the island; turns out they're feuding neighbors. The Island forces them into a magical, winner-takes-all competition that reveals unexpected alliances and unravels complicated relationships. Meanwhile, Javier and Roarke finally have a conversation about their relationship.

Empty nesters Dolly and Dutch seek clarity on how to spend their next chapter. Meanwhile, Helene helps Ruby tap into her newfound youth. Javier opens up to Roarke as he wrestles with his new role.

Jilted bride Laura arrives on the island still in her wedding dress, having just been stood up at the altar. She's never felt worse in her entire life, and her fantasy is to just feel better. The Island surprises her with her childhood imaginary friend, Peaches, in real human form and helps Laura rediscover that her inner child is exactly who she needs to move on from her heartache. Isla tells Ruby about the complicated past between her people and the Roarkes.

Percussionist Alma wants to be accepted by her tight-knit Cuban family, but to understand why they disapprove of her musical career, she must revisit their history.

Roarke welcomes a local morning show host, Christine Collins, who has a simple fantasy: she wants to eat. And eat. And eat. But when Christine gets to Fantasy Island, she'll realize that she's hungry for much more than food. Roarke's other guests include Ruby Akuda who is afflicted with a terminal illness and is given a new lease on life.

A businesswoman's fantasy of a perfect Christmas and to meet "Mr. Right" tests Roarke in unexpected ways. Meanwhile, Mr. Jones faces his past, while a new Secret Santa tradition has Ruby and Javier looking to the future.

When old friends Nettie, Camille and Margot come to the island to celebrate their 50th birthdays, their fantasies expose fault lines in their friendship.

Flamboyant, eccentric Eileen wants to spend time with her estranged daughter and her family, but they refuse to see her. Disillusioned physics professor Charles wants to know if there is something more out there.

Two adventurers, whose marriage has grown stale want to have the ultimate adventure together. Meanwhile, after sleeping for 35 years, widower Brent, must decide if he is ready to face his grief awake.

Longtime best friends, Tara and Jessica, want to rule their 30th High School Reunion, but their plans go sideways when everyone is forced to tell the truth. Andi wants to know if her cat BoBo loves her as much as she loves him. Roarke juggles a secret romance, as Ruby and Gina spend more time together.

A businesswoman's fantasy of a perfect Christmas and to meet "Mr. Right" tests Roarke in unexpected ways. Meanwhile, Mr. Jones faces his past, while a new Secret Santa tradition has Ruby and Javier looking to the future.