In a game that ebbed and flowed and never stopped from the first minute until the last and conjured every human emotion for even neutral fans, Barcelona came out on top as PSG travel back to Paris wondering what exactly happened at the Camp Nou.
From the very start, they were under the cosh and aside from a very brief spell in the second half, it stayed that way for the whole night. Luis Suarez was the first to give Barça a flicker of hope when he headered over Kevin Trapp to give the home side the lead on the night but they still needed three to even draw level with the visitors. As half-time approached and it seemed as though PSG had stemmed the tide, Barcelona grabbed another one when Iniesta stole the ball of Marquinhos toe and back-heeled it before a mixture of Kurwaza and Trapp helped it into the back of the net. Own goal!
Half-time arrived and it seemed PSG might have a chance to settle themselves for the next onslaught Barça were sure to inflict on them.
They were right and Messi buried a penalty to make it seem like the dream was not only alive but it was unfolding in front of our very eyes after just five minutes of the restart. It did seem though, that Barça were fading fast and when Edinson Cavani buried a volley after a Kurzawa header down to him, it seemed like it was a bridge too far for the hosts. They had sent an untold amount of energy to score three and would not need another triple for the win - it seemed unlikely. When Neymar was fouled in a somewhat innocuous position out on the left with two minutes of regulation to play, it still seemed beyond them. But he whipped it beyond Trapp nonetheless. Little did we know at the time that history was about to be made and the Brazilian was the catalyst.
He scored a penalty two minutes later when Suarez was pulled down but it, somehow, still seemed unplausible despite what we were seeing happen in real time. As the clock clicked towards the end, and with Ter Stegen up front trying to impose himself, it was a matter of seconds before the referee blew the whistle. Neymar chipped a ball into the box as a last roll of the dice and Sergi Roberto, who had remained onside, got a foot on the ball to beat Trapp. Barcelona were in dreamland and the Camp Nou went crazy. Luis Enrique didn't know what to do as he jumped up and down with a smile as big as the comeback he had just masterminded.
One of the greatest European night ever had just taken place. Barcelona and Luis Enrique march on but questions need to be asked of Unai Emery's side as they were on the wrong side of both the worst collapse and the greatest comeback in modern football history.