UK - This wasn't in the script.
Liverpool were topping the table and expected to consolidate their position with a home win over Southampton last Saturday.
But the visitors showed up to turn Liverpool's world upside down.
Defender Dejan Lovren headed in from a corner-kick in the second half for the only goal of the game and, in the process, inflicted on the hosts their first league defeat of the season.
The pre-match talk was all about how a victory for Liverpool would give them their best start to an English Premier League season after five games.
But the injury to Philippe Coutinho, however, proved tough to overcome.
Shorn of their best creative player, the Reds struggled to find their rhythm in the final third of the field.
Manager Brendan Rodgers turned to Iago Aspas and Victor Moses for inspiration, but neither possessed the Brazilian's guile.
Even Daniel Sturridge, who had scored in all of Liverpool's previous league games this season, lost his mojo as a result of Coutinho's absence.
But it wasn't just in attack where Rodgers' side struggled.