what happened at the end of the novel?

Pip is committed to returning to Joe, asking for forgiveness for everything he has done, and to ask Biddy to marry him. Pip goes to Joe and indeed finds happiness -- but the happiness is Joe and Biddy's. It is their wedding day. Pip wishes them well, truly, and asks them for their forgiveness in all his actions. They happily give it. Pip goes to work for Herbert's' firm and lives with the now married Clara and Herbert. Within a year, he becomes a partner. He pays off his debts and works hard.......he goes to the Satis House that night to think once again of the girl who got away. And there he meets Estella. Drummle treated her roughly and recently died. She tells Pip that she has learned the feeling of heartbreak the hard way and now seeks his forgiveness for what she did to him. The two walk out of the garden hand in hand, and Pip "saw the shadow of no parting from her." This excerpt is from the GradeSaver site. Check out the link below.