Chesney has a big surprise in store for Katy, as he gets down on one knee and proposes!
But will their fairytale come crashing down when Gary catches Katy sneaking time with Ryan?
Sam Aston, who plays Chesney, said: "Katy gets caught out, so there's going to be a lot of drama."
More about this story on the website
Find out more about Chesney, Katy and Ryan with their character pages.
Watch an exclusive interview with Georgia May Foote, who plays Katy.
See pictures of Georgia May Foote and Sol Heras, who play Katy and Ryan, in this gallery.
Watch episode spoilers of all the drama on the Street.
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