1) Gatsby throws lavish parties every weekend at his mansion, attracting many guests by car and train. 2) Nick is formally invited to one of Gatsby's parties. He struggles to find his host in the large crowd. 3) There are many rumors circulating about Gatsby's background and past. Nick eventually meets Gatsby, who reveals his identity after mistaking that Nick already knew who he was. 4) After talking with Jordan, Nick learns little about Gatsby's true origins or occupation. The chapter closes with Nick reflecting on his interactions at the party and his relationship with Jordan.