St Johnstone are set to begin a trilogy of matches that will define their season.
Unfortunately for the Perth side, those matches are against Celtic.
The teams meet at Celtic Park on Wednesday night in league duty, with the return fixture on at McDiarmid Park on Sunday.
The sides the meet again in Scottish Cup duty in Glasgow next Sunday.
It will be intersting to see how Saints boss Tommy Wright approaches the games against the Scottish Premiership champions.
At the back of his mind must be the fact that Celtic won 6-0 in Perth in October.
Wright has seen a lot in football though, no doubt he will have a plan in mind for the games.
He will want his team to sit back and frustrate Brendan Rodgers’ team, and hit them on the break.
Wright has won at Celtic Park before, most notably a 1-0 win back in 2o15, so the match won’t faze him.
An unexpected point in Glasgow would set the Saints up nicely for the return match on Sunday.
How that game goes could then have an impact on the Cup clash a week later.
Three defeats for the Saints though, would put a real dampener on their season.
It won’t be easy for Wright’s team, but if they believe in themselves they have a chance of causing Celtic plenty of problems in the next 11 days.