Empress Deck, Aft (2023)

Three guys, an apartment, an RV, and a cruise ship. It's 2009, and things get a bit crazy.

A young man likes his deceased sister's boyfriend. He torments him by sending strangers uninvited to his apartment for gay hookups. Eventually the older man rescues the young man from a sex party, and they are thrown together to navigate their new relationship - eventually aboard a cruise ship. The movie becomes a movie-within-a-movie by the end.