The Celtic faithful were on the road again in Dortmund, full of hope and optimism. But instead of finding Paradise by the Ruhr, instead it ended up as another joyless journey.
For a club so dominant at home, adventures abroad have become a chastening experience for the Parkhead support. Their seven-goal shellacking at the Westfalenstadion was remarkably the 70th time the Hoops have been beaten on foreign soil since the year 2000.
Brendan Rodgers has been in charge for some of the most sobering of those bitter setbacks. First time around his side shipped seven at both the Nou Camp and the Pard des Princes.
Last year it was six as Atletico Madrid wreaked havoc at the Wanda Metropolitano. It was hoped all that humiliation had been consigned to the past as the Irishman led his team to Germany with confidence scoring after an unbeaten domestic start.