Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.
脉
=
月
+
永
:
Mahatma Gandhi (m) is getting married to the moon (月) in the airplane's bathroom (ai4). The moon puts a diamond ring (永) on Gandhi's finger which is so tight that Gandhi's arteries and veins (脉) are getting all bound off.