Jake Gyllenhaal's doe eyes and bulging biceps will make some hearts flutter in Prince of Persia: The Sands of Time. Dastan (Gyllenhaal), adopted prince of the Persian empire, must flee into the desert when accused of murdering his royal father--but a glass-handled dagger he found as loot from a captured city turns out to hold powerful time-manipulating magic. Not only is he pursued by his vengeful brothers, his scheming uncle (Ben Kingsley, Sexy Beast), and a strange cabal of assassins, but a princess/priestess named Tamina (Gemma Arterton, Quantum of Solace) wants the dagger back and will kill Dastan if she has to. Prince of Persia wants to be a rollicking adventure along the lines of Pirates of the Caribbean. Unfortunately, it's hampered by clumsy dialogue and hard-to-follow action sequences, with choppy editing that wrecks the flow of the parkour-inspired stunts. But the production design is extravagant and every time Alfred Molina (Spiderman 2) appears as a greedy sheik the movie gets a delightful jolt of energy. Gyllenhaal doesn't have much to work with--Dastan is a fairly generic hero--and whoever designed his hair should have been fired on the first day, but his lazy charm comes through and carries him through the movie.