Lion, Cheatin' And Stealin

Foward Hees, the world's richest man, dies a mysterious death. Fujiko receives a large ruby in his will, but she too is attacked by a flock of creepy black birds. The ruby was stolen from a temple in the Caribbean. In order to save Fujiko from a mysterious fever, Lupin and company head there to return the ruby but are attacked by black magic zombies!

Synopsis excerpt via Kitsu.