Two youths, Niño and Compi, enter the world of drug smuggling in the Strait of Gibraltar; while two police officers, Jesús and Eva, try to eradicate the contraband.

Through a series of unfortunate events, three mummies end up in present-day London and embark on a wacky and hilarious journey in search of an old ring belonging to the Royal Family, stolen by ambitious archaeologist Lord Carnaby.