It looks like a man and a woman are about to have sex as she strips down to her bikini, but they don't because they get in an argument.
A couple other mild references throughout
Violence & Gore
Mild
A man tries to shoot another man at the end.
Profanity
Severe
Fourteen uses of "shit" (including 10 "shithead" and 1 "bullshit"), 13 uses of "fuck" (2 are hard to hear), 3 uses of "hell", 3 uses of "ass", 2 uses of "bitch" (including 1 "son of a bitch"), 1 "Jesus", 1 "bastard", 1 "Oh my God", 1 "twat", 1 "Goddammit", and 1 middle finger.
Alcohol, Drugs & Smoking
Mild
People are seen smoking cigarettes and drinking throughout.
A man is shown swimming in beer
Frightening & Intense Scenes
Mild
It might be sad to little kids when we think that a main character is killed, but he is apparently alive.