This Deep Water article contains spoilers.

Ben Affleck! Ana de Armas! Based on a book by Patricia Highsmith (who wrote The Talented Mr. Ripley and Strangers on a Train)! The first film in 20 years from the master of marital strife thrillers, Adrian Lyne (who made Fatal Attraction and Indecent Proposal)! Deep Water should really have been a steamy romp, but instead it’s a bit of a wet fish.

But wet fish can be fun too, and Deep Water at least contains twists, murders, and a “huh” ending (which is a bit different from the one in the novel – more on that later).

So what does it all mean? We break it down, including that bonkers credits sequence.

What is Vic and Melinda’s deal?

Horrendously dysfunctional married couple Vic and Melina have an arrangement. They stay married and Melinda gets to sleep with other men. Why? Well they have a child,...