Big Brother 27 houseguest Rachel Reilly came up with an absolutely diabolical scheme for winning the game, and her fellow contestants have no idea.

It’s eviction day in the Big Brother house, and last night’s events were nothing short of explosive. Isaiah "Zae" Frederich, the ever-charming social powerhouse, discovered that Rachel Reilly had been orchestrating a master plan to get him out of the game. Buckle up, because here’s how it all unfolded.

The inaugural houseguest eviction of Big Brother Season 27 happened on Thursday’s (July 17) live episode, and it was Isaiah “Zae” Frederich who found himself leaving the Hotel Mystere first — a rare 17th-place contestant, thanks to the twist that brought all-timer Rachel Reilly into the mix.

If Big Brother fans know anything, it's that no one comes between Rachel Reilly and her man, Brendon Villegas. The two met as houseguests on Big Brother 12, immediately connecting over their mutual passion for science,

Big Brother 27's first live eviction saw this houseguest get strategically blindsided by the Queen of Big Brother, Rachel Reilly, in a stunning vote.

F loaters, grab a life vest! Rachel Reilly made her triumphant return to Big Brother during Thursday's Season 27 premiere. Now, we'll see whether she slides her way into a powerhouse alliance or winds up as public enemy number one.