Tensions boil over when a crew member stirs chaos among the team; their behavior tests loyalties and patience.

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 aftermath of an intense evening results in a drastic crew dynamic shift; Tzarina and Lara disagree over plating, causing them to clash.

Tensions arise behind the curtain of Circus Night; in the galley, a disagreement over breakfast spirals into a heated argument, forcing Capt. Jason to get involved.

A deckhand is forced to own up to their mistake. Jason pushes Lara out of her managerial comfort zone. Tzarina struggles to find resolve with Lara. Alesia gets frustrated with Tzarina. The crew goes out and a new love connection is formed while a friendship starts to fall apart.

After the jet ski incident, the deck team tries to make up for it by entertaining guests in the exclusive Captain's Lounge; a new yachtie arrives and stirs things up; Bri starts to question if her spark with Harry has fizzled out.

Adrenaline-junkie guests test the boundaries on Katina; Lara and Wihan's working relationship comes to a head when Capt. Jason intervenes; a disgruntled stew lets their attitude get the better of them when they get sassy with the captain.

Bri starts to worry about her relationship off the yacht; Alesia gets a sudden "ick" from baby talk; Marina puts her walls down, but worries feelings aren't reciprocated; Tzarina and Lara come to a stalemate with neither of them ready to apologize.

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.

The crew puts together "Fear Factor" inspired games for the charter guests; Tzarina and Lara confront Wihan after a messy beach excursion; the deck crew starts to question Wihan's leadership and Jason gets involved.

Harry struggles with his new responsibilities on deck; the interior tries to keep it together in housekeeping; Tzarina attempts to take control of her department; a sudden lightning storm threatens Circus Night for the guests.

Anthony puts Tzarina in a bind causing her to crack under pressure; Harry's fate on Katina is determined after knowing the extent of his injury; Marina asks Wihan on a date, sparking tension between her and Tzarina.

Harry makes his move with Brianna, but just as sparks begin to fly, he suffers an injury; Wihan ignites tension within the ranks when he oversteps Lara's department; things heat up in the galley as Anthony contemplates leaving his position.

Wihan's attention shifts to a new flame while Lara gets frustrated with his carefree attitude; an overlooked hazard causes Johnny and a charter guest to flip a jet ski in dangerously shallow waters.

Chef Tzarina feels the heat as Anthony begins to chafe under her direction; a near collision while docking tests Capt. Jason's patience; Lara continues to adjust to the sprawling layout of Katina; Harry finds himself in a familiar love triangle.

Wihan, in love, writes a heartfelt letter; Harry attempts to rekindle romance with Bri; Lara's team criticisms irritate Wihan, with silver hot pants becoming the breaking point.

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.

Bri and Harry try to define their relationship; the crew picks up their last charter guests who can't keep their food down during a swelly charter; during the last beach excursion, the deck team commits their biggest error of the season.

Capt. Jason reprimands the deck crew for their mistake; the final night of the charter season sparks an unlikely hook up and argument between crew members.

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.