Jane Cecil has already plundered a major Irish prize this season and returns for a crack at the Ballyogan Stakes at Leopardstown with Joyeuse.
Like Tattersalls Gold Cup hero Noble Mission, Joyeuse is a close relative of the incomparable Frankel and after struggling in the 1000 Guineas, showed sprinting is her forte when disposing of Gathering Power in a Haydock Listed event.
Both the British raider and the re-opposing runner-up try Group Three company now but they should have it between them because, despite being best of the rest, maiden winners Seas Of Wells and Sparrow have had their limitations exposed in decent company, while Majestic Queen was beaten in an Ascot handicap off 94 when last seen.
The Glencairn Stakes carries Listed status and sees last year's winner Along Came Casey making her seasonal debut.
If she is anywhere near to peak fitness - and she did beat Brendan Brackan first time out 12 months ago - she will have too much quality for the likes of Pearl Of Africa and He's No Saint.
Aidan O'Brien starts off a couple of expensive purchases in the Irish Stallion Farms EBF (C & G) Maiden, with $800,000 War Front colt U S Navy Seal joined by Highland Reel, a son of Galileo who cost 460,000gns as a yearling.
O'Brien's two contenders in the opening Irish Stallion Farms EBF Fillies Maiden (5.50pm), I Am Beautiful and Simply A Star, showed little first time at the races and are vulnerable to an above-average newcomer, which any one of Sugar Mill, Queen Nefertiti, Curlylocks and the Qatar Racing duo of Acid and Brown Bee could easily be.
Artful Artist has been a revelation since Tony Martin switched him to the Flat and he goes for a quickfire hat-trick in the Leopardstown Summer Music And Racing Festival Handicap, while Empress Toorah attempts to atone for letting favourite-backers down at Roscommon in the Leopardstown Club Members Handicap.