On Isle Honeydew, anyone can take you at any time, and the six couples on retreat already know the rule.
Day two finds Katie claimed by five strangers, leaving the other women restless when dinner ends in a drawing of straws.
Brooklyn is next: a sullen goth who is having second thoughts about being there at all, steadied only by her gentle boyfriend Max.
She heads into the cool island caves looking for space to think.
What she meets in the grotto is a claiming that erases every doubt she brought with her.
