For 90 minutes, a lost figure strolled around the Parc des Princes. He occasionally touched the ball, but spent most of the game as an observer, watching as his side around him toiled against a team they should have comfortably beat.
That man, the near-invisible Lionel Messi, didn't seem to care as PSG slumped to a 3-1 loss against Lorient.
The visitors took the lead inside 15 minutes, with Enzo Le Fee ghosting into the box to finish a well-worked counter-attack. Things got worse for the Parisians shortly after, when Achraf Hakimi was given his marching orders after being shown a second yellow card.
PSG did equalise before half-time, as Kylian Mbappe nicked the ball off Yvon Mvogo when the Lorient goalkeeper thought play had been stopped.
Lorient's protests, though, soon turned to celebrations, as Darlone Yongwa snuck in at the back post unmarked to find net during what was a terrific performance.
PSG pushed for an equaliser in the second half, but with Messi turning in a languid showing, they didn't create much to speak of in the final 45 minutes. And they left themselves exposed on the counter, allowing Bamba Dieng to saunter through after a PSG corner and snag a third with five minutes to go.
Lorient became the first visiting team to ever win while scoring three goals at Parc des Princes in Ligue 1 since Qatar Sports Investment took over in the French capital in 2011, and PSG have now lost three of their last four home matches.
Ligue 1 could, then, get a bit interesting from here. If Marseille beat Auxerre on Sunday, the Parisians will only have a five-point lead atop the table with five games to play. And with their star man seemingly in cruise control, their stroll to the Ligue 1 title might yet be made more difficult.
GOAL breaks down the winners & losers from Parc des Princes...