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.

The deck team gets a surprising new leader, which causes resentment to grow within the department; the interior struggles being one stew down; the chef and the chief stew get a blast from the past.

The deck team tries to recover after a mishap with the captain; a new stew joins the crew and instantly makes waves; the chef turns one of the guests into a work of art.

After a surprising hookup, the chef ices people out. A family comes aboard and enjoys a meal in a remote location. The tender nearly capsizes as the crew races to free it from a disappearing island. A mistake on deck causes the boat to hit the dock.

The deck team reels after a docking debacle; the Chief Stew gets a surprise visit on a day off; a deckhand unhappily gets friend-zoned; a forbidden relationship becomes too tempting to ignore; a disastrous mistake endangers the boat.

A deckhand's fate is up in the air after an egregious error; the 2nd Officer tries to escape a rocky romantic past; the Captain reluctantly bares all for a budgie breakfast.

Captain Jason makes an unpopular decision to fire a deckhand; a Lead Deckhand joins the boat; Margot struggles with a challenge on her first attempt at service; a charter guest experiences a medical emergency.

The crew deals with a medical emergency onboard; Capt. Jason faces a tough decision when a crew member gets caught drinking on the job; a deckhand wants to take his relationship to the next level.

A relationship onboard explores new depths while another one finally breaches the surface; chaos ensues when charter guests become entangled in each other's dietary preferences; single charter guests give the deckhands a run for their money.

The guests get upset with Aesha when their bucket list Great Barrier Reef diving excursion gets denied; a familiar character returns to coach the deck team through a strip show for the guests.

The crew erupts in an argument when a deckhand meddles in the stew's drama; a date goes awry when chef Tzarina reveals her true feelings.

Capt. Jason gets involved when chef Tzarina refuses to fulfill a guest request; Luka feels like a stew might be interested in him; the final night of the charter season leads to arguing, crying and relationships in shambles.

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.

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'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.

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.

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.

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.

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.