Mitchell is dragged into Cameron's quest to save an old tree. Jay and Phil have to compete at a kid's party. Gloria and Claire go on the shopping trip from hell.
Ted, Robin, Marshall, and Lily all begin getting cold feet because of their imminent life changes.
The 126 is on the scene when a wedding comes crumbling down, as Grace helps a dominatrix and her slave involved in a shocking situation.
Lisbon goes undercover as a prison inmate in order to get a convict to turn on her boyfriend, who is the leader of the high-end car theft ring.
Bonnie is upset when Adam makes a big-ticket purchase without consulting her. Also, Jill has an unexpected reaction when her dentist retires.