Sundance 2026 Review: UNDERTONE is an Audible Nightmare
In undertone (lowercase stylized), sound is a monster. First-time feature writer and director Ian Tuason tests the limits of nerve-shredding tension b...
"When you have eliminated the impossible whatever remains, however improbable, must be the truth." —Arthur Conan Doyle On the banks of the river Thames a new building is being completed; a stunning creation of glass and concrete that will be a new landmark on London's skyline. Now people are dying because of it. Dozens of mysterious accidents have claimed the lives of workmen during the construction of the Crystal Tower. The owner, an enigmatic Russian businessman, has family links back to the site to the 1930s and a dark family secret of unstoppable force. Of malevolence created by man. Something evil has been reawakened and no one can stop it.
"Britain's greatest living horror author."
On the banks of the river Thames a new building is being completed. A stunning creation of glass and concrete that will be a new landmark on London's skyline. Now people are dying because of it. Dozens of mysterious accidents have claimed the lives of workmen during the construction of the Crystal Tower. The owner, an enigmatic Russian businessman, has family links back to the site to the 1930s and a dark family secret of unstoppable force. Of malevolence created by man. Something evil has been reawakened and no one can stop it.
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In undertone (lowercase stylized), sound is a monster. First-time feature writer and director Ian Tuason tests the limits of nerve-shredding tension b...
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Gore
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Story
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Character Development
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