Coffin 1

A masked stranger reveals to Jack that his estranged wife and her lover are buried underground in a wooden box and their oxygen will run out in 75 minutes unless he pays a $500,000 ransom. Jack must now engage in a dangerous game of cat-and-mouse with the masked stranger in order to save his wife and himself.

A man learns he has 75 minutes to rescue his estranged wife and her lover from a wooden box buried deep underground before their oxygen runs out.