That's right, the Grand Theft Auto 4 expansion, The Ballad of Gay Tony (contained within Episodes from Liberty City), contains more sexual content than you could shake a ... erm... stick at. This is according to the BBFC ratings listing for The Ballad.
The game includes some sex scenes. The sex is quite strong, but always masked and the characters concerned are invariably fully clothed (no nudity). In cut scenes the Luis Lopez character is seen to be on the receiving end of oral sex (slumped on a chair with a woman's head buried in his lap). The same character engages in sexual intercourse on at least two different occasions. For example he stands between a woman's raised legs and thrusts into her and he also bends a woman over a desk and thrusts into her from the rear. The game also contains strong verbal sex references throughout and there is one scene of full frontal male nudity (without a sexual context).
If you thought that Episodes from Liberty City was nothing but hardcore sex all the time, you may be disappointed to hear that the game will also include drug references, cocaine usage, multiple instances of the F and C words, and violence aplenty.

In other words, it's what we've all come to expect and love about a Grand Theft Auto title.