Monica, Chandler and Phoebe find out that they can hear through the walls in their hotel rooms. Monica and Chandler cover the wall where they can hear Joey and Rachel kissing, and Phoebe covers the wall where Charlie and Ross are kissing. Both couples put their relationships on hold while they wait to talk to the other before proceeding. On the plane home, Ross tells Joey about him and Charlie, but Joey doesn't tell Ross about him and Rachel. Monica decides to get rid of her poofy hair by getting corn rows. Back in New York, Ross walks in on Rachel and Joey kissing.