A pair of shipboard smugglers have a large diamond hidden inside a small elephant statuette, which they plant on absentminded Lord Epping to get it past customs. Now, his lordship is visiting Uncle Matt Lindsay who looks just like him. Thanks to flirtatious Diana's efforts to get the elephant back, the comic confusion proliferates, with 'spitfire' Carmelita (now a blonde) playing a prominent part.

"IT'S THE LAST GASP IN LAUGHS! MAMMOTH FUN! Lupe and Leon trapped between T-Men, gem-runners and a misplaced pachyderm!"