I heard it would be a pastiche of Agatha Christie, heard there would be nice locations and thought: love it already! Also, Sandler and Aniston mean nothing to me one way or the other. So I was ready to have immense fun with this movie despite what grumps would say. I will reveal nothing that isn't on the trailer

The murder mystery tropes are all there:

the finite number of suspects due to isolation (in this case, a boat),
a vacation trip where a murder simply happens,
the dagger, the butler, the scream in the middle of the night (and who does not love it?)


STILL, even with all those references that I loved to identify, and even despite the beautiful locations such as Cartagena and Lake Como... even then I felt embarrassed for all those involved. Such a risibly unfunny comedy with Aniston and Sandler playing comedy schticks that never, ever, and I'm an easy laugh, elicited even a chuckle from little me, and did I say I was ready to love the movie? Oh well.