Lundqvist made 26 stops in the game, but was left stewing over "the last two, to be honest." He said it surprised him that Kempe was right on top of him on the late equalizer, then that Toffoli, pulling up to wait for Kempe on a 2-on-1 in overtime, shanked his shot and snuck it through.
It was the second time in the teams' two meetings this season that the Kings have left the Rangers reeling with a goal in the final minute, after Alec Martinez's late goal won their Oct. 28 matchup.
"Listen, you've got to play 60 minutes, you can't give an opportunity to a team like that that's got some high-end guys and can take advantage of some opportunities," Quinn said, adding that his team "got away from some of the things we were doing that I thought allowed us to have a really good first period.
"We've had a tendency at times when we're winning 2-1 to at times act like it's 5-1. Such a fine line between winning and losing at this level, you've got to finish the job."
The Rangers never trailed in the game until Toffoli won it - but each time the Rangers edged ahead, the Kings managed to tie. Kreider grabbed the first lead 8:32 into the game when DeAngelo skated a puck down to the right corner and fired one off the winger's stickblade and in. It was DeAngelo's third point in the two games against L.A. this year (1-2-3).
L.A. evened it up on a quick 200-foot play, started by Drew Doughty's stretch pass and finished with Ilya Kovalchuk setting up Kempe's first of the night.
Zibanejad's pool-cue finish of a rebound of Zuccarello's shot restored the lead just 32 seconds into the middle period - coming just moments after Lundqvist had started the frame by robbing Alex Iafallo. After Anze Kopitar roofed a backhander at 5:04, McQuaid gave the Rangers their third lead by cutting off Carl Hagelin's clearing attempt and sending a high wrister through traffic.
But less than a minute before the end, McQuaid was left appealing for a call as the Kings celebrated Kempe's goal to tie it.
"Overall I thought we played pretty well. A lot of these games, it comes down to one, two plays, and we'd have a much better feel than what we got here," said Lundqvist, whose Rangers continue their season-long five-game homestand on Wednesday night against the Boston Bruins. "Back to practice tomorrow and prepare for the next one. We've got a couple more home games coming up. But not getting rewarded with two points for this effort, that hurts."