Let's say you're not happy. Why not? Very plausibly it's because there's something you're not getting - some kind of understanding you lack, which would put you "back at home" in the world. That understanding will concern who you are, what you are, what you do, and what happens to you.
Most philosophers in the Buddhist tradition agree that misery-inducing misunderstanding centers on mythologically inflating the reality of a substantial "self" - the core of personhood, of I-ness, that we often take to be the most important thing ever. Sophisticated Buddhist psychological analyses trace the evils we inflict on ourselves and on others to the pervasive failure to appreciate what really exists instead of a timeless, positively characterized, desperately important self.
In this meetup we'll trace a series of arguments for what there really is instead of the mythologically inflated person. Referencing several texts of Vasubandhu (none of which you're expected to read in advance), we'll argue out the following claims: (1) what we clumsily call "selves" are really complex streams of discrete events; (2) our joys and sufferings should be understood as caused by events inside that complex stream, not by intrusions from outside it; (3) ultimately, there aren't any objects external to consciousness. (This doesn't mean that mine is the only mind, but it does mean that everything real is mental.)
What we'd be left with - if we wind up persuaded by Vasubandhu's arguments - is a worldview where our own actions ultimately determine everything (or almost everything) we experience, and where there are neither persons nor objects so much as event-like ascriptions of personhood and objecthood.