Youri Tielemans’ penalty opened the scoring with headers from Harry Kane and Eric Dier from corners which put Spurs back in front.
James Maddison’s superb half-volley brought the scores level before Rodrigo Bentancur returned to the lead.
Son sealed the victory with two superb strikes before adding a third as he beat the offside trap with his pace. It sees Antonio Conte’s side rise to second place in the table, just behind Manchester City on goal difference, but having played one game more than some of their Premier League rivals.
Hugo Lloris – 7
Initially saved a penalty, but was ruled out for encroaching off the line. He couldn’t do much about the second that was smashed hard in the corner. He made an important save from Maddison late in the first half and was not at fault for any of the goals.
He made another huge save in the 58th minute from a Patson Daka header. However, Lloris’ distribution was a bit off when Tottenham looked to build from the back.
Davinson Sanchez – 5
The Colombian international gave away a penalty in the fifth minute thanks to an overly committed tackle on James Justin.
Sanchez’s header was brilliantly saved over the bar by Leicester keeper Danny Ward. Replaced just after losing in a duel against Daka. Poor display.
Eric Dier – 6
Dier scored his second goal of the season with a short post, but it was part of a weak defensive display.
Clement Lenglet – 6
An important cog in the possession game at left centre-back, the defender stepped in to help the attack. He was one of the defenders who came under pressure from a thrilling Leicester attack.
Ivan Perisic – 7
The 33-year-old’s driving and shooting were threatening from the start and he was involved in all of his team’s attacking play. Produced a one-two for the first goal and got an assist directly from a corner for Dier’s header.
In general, his set piece performance with both feet was exceptional. He felt like the Foxes could get joy by his side.
Rodrigue Bentancur – 8
Poor control from Bentancur led to a shot from Kiernan Dewsbury-Hall on the edge of the box. Just after half-time, he dispossessed Wilfried Ndidi in midfield to dribble and shoot to make it 3-2. It took a long time for the midfielder to score his first goal for Spurs.
He then brilliantly set up Son’s goal by dispossessing Justin in a dangerous area. Bentancur was the winner of the match.
Pierre-Emile Hojberg – 5
The Dane had a quiet performance in midfield but he couldn’t contribute effectively enough to stop Leicester’s attacks which led to the arrival of an extra midfielder.
Ryan Sessegnon – 5
He was physically intimidated by Timothy Castagne who netted Leicester’s second goal, unable to cut through a diagonal ball or the ensuing cross.
Dejan Kulusevsky – 7
The 22-year-old produced a brilliant cross for Harry Kane’s header in the eighth minute. He fired a shot early in the first half.
Yet he was given a standing ovation in the 70th minute after being a thorn in Leicester’s side.
Harry Kane – 7
His well-timed run to goal showed the England captain can partner with other players beyond Son Heung-min.
The 29-year-old scored his 20th goal against Leicester, an opponent he has scored the most goals against.
Richarlison – 5
Richarlison’s relentless pace and pressing earned him a corner in the 21st minute. However, he rarely threatened the goal and gave away the ball on several occasions. Eventually substituted for Son.
Christian Romero – 6
The Argentina international was another shocking omission, but he stabilized his squad after coming on.
Emerson Royal – 6
One of the players most criticized for the midweek defeat at Sporting Lisbon, Royal was solid after arriving on the pitch.
Yves Bissouma – 6
As a replacement for Kulusevski, Bissouma saw Spurs change formation to 3-5-2 to help his side control the game. It worked and he produced good minutes after a rocky start under Conte.
Heung-min Son – 9
Son reminded Conte of his value with a superb dribble and right-footed strike in the 73rd minute.
He drew the biggest cheer of the night as he terrified both James Justin and Wout Faes before looping him in front of Ward. The South Korean superstar then struck with his left foot, curling a shot from 25 yards to remind the world that he is one of the best at what he does.
Son scored a 14-minute hat-trick after breaking the offside trap and hitting at the near post by Ward.