Capt. Jason embarks across the dazzling waters of the Seychelles with almost an entirely new crew on the larger-than-life motor yacht Katina. The enormity of the boat puts new Chief Stew Lara and her interior team to the test. Chef Tzarina and Lara are reunited after a previous working relationship and tensions quickly surface as their clashing styles ignite old frustrations. Tzarina faces an infestation of weevils in the galley while she tries to find her stride with her new sous chef, Anthony.

The crew enjoys a day off on an Australian crocodile safari; captain Jason finds shocking unfinished business left on the boat; Tumi comes to Aesha's defence when Ryan and Magda talk behind her back, leaving Aesha distraught.

Jamie puts Brittini on the night shift after Benny doesn't pull his weight; Aesha confronts Magda and Ryan for talking behind her back; Jamie is at his wit's end with Benny's behaviour and wants him fired.

Jason's investigation of the deck team presents him with a difficult decision; Magda finds herself in hot water when she gets caught on the phone again; charter guests request a holiday party that calls for Culver and Aesha to dress up.

Several crew members don’t take Captain Jason’s demands seriously and find out he means business.

With Thalassa in turmoil, Captain Jason tries to find his footing with his new team.

The new crew finally finds its footing; Culver gets too close to a charter guest on a night out.

Captain Jason continues to notice Culver’s lack of initiative; Brittini calls out a double standard.

The Thalassa crew throws a vow ceremony for the guests; Culver breaks the captain’s big rule.

Magda surprises the guests by putting on a show. Aesha learns that being a barista isn't easy. Ryan struggles to accommodate the guests' demands. An extra tip leaves Brittini in tears.

Magda oversteps her boundaries with Aesha; Captain Jason's colleague charters Motor Yacht Thalassa for a bachelor party; Ryan resists the guests' food requests and must face the consequences with Captain Jason.

Captain Jason Chambers introduces a world of underwater adventure to charter guests along the world-famous Great Barrier Reef in Australia; while first-time bosun Jamie faces some initial challenges, new chief stew Aesha clashes with an ornery chef.

Aesha and Ryan's opposing views on service are tested during an explosive lunch; Brittini stands up for herself on deck, while Benny takes issue working in the anchor locker; Captain Jason introduces a most improved award that isn't well received.

Benny struggles to stay motivated on deck, while Jamie tries to keep his team in line; Ryan and Aesha's galley communication comes to a head when the guests aren't ready for service; the crew comes together to throw a vow renewal ceremony.

The crew gets in hot water with Captain Jason; Magda struggles in the laundry; a pirate-themed party challenges Culver to earn his title of "Entertainment Officer," but when guests ask him to jump in the hot tub, Tumi is shocked by what she sees.

The crew unravels as demanding charter guests push them to their limits. Jamie and Tumi disagree over Culver's actions. In an attempt to keep Captain Jason happy, Jamie tries to take control of his deck team.

Aesha gives Magda a second chance at service; safety issues come to a head between Captain Jason and Jamie, but when Jamie doesn't agree with the captain's orders, he tries to get the deck team on his side.

The crew hosts a prom night for the charter guests after their adventure to the Great Barrier Reef.

A new charter season gets underway in Cairns, Australia's gateway to the Great Barrier Reef; the interior and exterior departments start man-down as the crew scrambles to cater to party-hearty guests.

The charter guests continue to be on edge with each other; a new stew comes aboard, giving the interior relief while captivating the deck team; a crew member over-commits to the Cancana surprise kiss threatens to ruin the party.

A complicated love triangle threatens to make things awkward on deck. The CEO is back for another round of fun. The guests have an icy request, and when a deck crew member overlooks his duties, one of the guests gets a cutting surprise.

Heavy wind and rain threaten to drown a difficult beach picnic; a stew takes liberties with her break time; the guests experience a dinner fit for a god; on a night out, romantic entanglements get knotty when a surprising new hookup happens.

A love pentagon takes shape as crew romances heat up in multiple directions, and a personality conflict on the interior intensifies. One of the deckhands falls behind, and a dinner service for the guests goes awry when their preferences are overlooked.

Chef Tzarina struggles to rebound after a dinner gone wrong; a stew tries to convince Aesha to switch shifts, and the crew pulls off a touching memorial celebration for the guests.

The crew reels and bands together in the wake of a serious event, Capt. Jason handles not one but two difficult matters between crew members; when a person on the deck team is forced to leave the boat, the hierarchy on the exterior gets a shakeup.