The white horse returns home, only to be tied to a post, killed, & cut up into little pieces. The priests do their best to follow the old rules, but there's no way Draupadi is going to pretend to copulate with a dead horse!
Jump ahead 15 years and Dhrtarastra finally decides to take leave of worldly cares, and he, Gandhari, & Kunti leave for a forest ashram. One year after that, the Pandavas and many citizens pay a visit to the old folks, where Vyasa allows them all to re-unite with their fallen relatives and friends.
While some of the early books went on endlessly, the last few books of the epic are quite short, and we are going through about one book an episode at this point-- the story is nearly over!