A determined Lex is out to win the sandcastle competition this year by teaming up with Fisher; when Presley misunderstands that she's no longer on Lex's team, she'll have to give up her beach day to prove that she can take things seriously.

When Jaget tricks Lex, Presley and Munchy into his prank war against Ty, they vow to get him back with the ultimate prank.