Tired of his crew making simple mistakes, Captain Glenn keeps an unwavering eye on them. A Women's Empowerment Dinner takes a strange turn when the women involved can't stop tearing each other down. Sydney and Colin bring the mood back up when they perform an original song for the guests. An evening sail catches Natasha off guard, and she never quite catches back up. Dani and JL get serious about where their relationship is heading but questions still linger. Gary takes a swing and whiffs on an attempt to get Alli back and then doubles down on more bad decisions.

A charter group of super-yachties arrives, and the Parsifal crew is anxious about being judged by their peers. But as the guests get boozed up, the Parsifal crew contemplates getting down, and Captain Glenn keeps a worried eye on his party-hardy team. After the charter, the final night out takes place at a picturesque castle, where Daisy reveals a secret that sets fireworks off in all directions. Back on the boat, the crew forgoes fighting for festivities, as Gary turns the hot tub into a wet and wild bubble bash. Most of the crew says their good-byes, but Natasha, Gary, Alli, and Sydney stay aboard to help Glenn with an ocean crossing. The drama doesn't stop even though the season is over.