This is the third film in a series, after My Fault in 2023 and Your Fault in 2024, that have been adapted from the Culpable trilogy, romance novels by Mercedes Ron, originally written in Spanish. It’s obviously aimed at a specific market that expects a certain blend of melodrama, softcore sex and lush lifestyle porn, and (more importantly) is invested already in the trilogy’s story. Given those parameters, it probably delivers – although the dialogue, at least judging by the subtitles, is super clunky and cliched.

Complete outsiders coming to this cold may be a little baffled by what’s going on, since this concluding instalment makes no effort to fill in any blanks. But even total newbies will get the gist that heroine Noah (Nicole Wallace) still has feelings for her ex Nick (Gabriel Guevara) – who also, somewhat disturbingly, was once her stepbrother, although their respective parents didn’t marry until Noah and Nick were well into adulthood. At the Ibiza-set wedding of comic relief best friends Jenna (Eva Ruiz) and Lion (Victor Varona), Noah and Nick bump uglies before having the inevitable row that will separate them for most of the narrative until the final-act rapprochement. In the middle part, Noah hooks up with nice (and therefore doomed to romantic failure) Simon (Fran Morcillo), and Nick goes around offices wearing suits and issuing orders in boardrooms. There’s a bad guy, Michael (Javier Morgade), who looks almost identical to Nick but with more perma-stubble, and he tries to wreak havoc on our central lovers.

Unfolding across various scenic, seaside parts of Spain as well as London, this has all the glossy sheen of a holiday brochure, with much attention paid to clothes and wedding planning details. A syrupy stream of EDM-style pop in assorted languages fills in the spaces where people aren’t talking, but ultimately it’s all too bland and banal to even be offensive or annoying.

• Our Fault is on Prime from 16 October.