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.

So what happened during the "Big Brother" episode July 17? Here's what to know. Caution: Spoilers ahead! The episode started after the veto ceremony, in which Jimmy Heagerty called out Keanu Soto. Vince Panaro also nominated Kelley for eviction following Ashley Hollis' veto win.

Big Brother 27,' hosted by Julie Chen Moonves, premieres on Thursday,. See which houseguests are in power as HoH, who is nominated and who has been evicted so far

The 'Big Brother' house has officially become the Keanu Show: a wild mix of overconfidence, paranoia, and nonstop talking that’s making everyone crazy.

Big Brother has crowned its first veto winner, but how will it affect Vince's plans for the first eviction? Spoilers inside!

The 27th edition of the competition reality series will see 17 houseguests outwit each other in a summer-long strategy game under 24/7 surveillance. As usual, Julie Chen Moonves returns as host, and the contestants aim to win $750,000 as the last one standing in the house, themed "Hotel Mysteré."

Jordan uses the Veto to save Lizzie as Ava names Marcus the replacement nominee ahead of eviction night

Rachel Reilly is back in the Big Brother house, and fans are either cheering or ready to change the channel. The Season 13 champ made a surprise entrance on the July 10 premiere of Big Brother 27 as the long-rumored “mystery houseguest,” after CBS teased her return with a week of cryptic clues.

As fans streaming Big Brother online for early results of the Week 1 veto competition or a clue at who is going home were watching in the wee hours of the morning, they caught Isaiah Fredrich using offensive language that could land him in some hot water depending on if and how the CBS series decides to respond.