An educational film about bats. A scientist in a lab coat takes a bat out of a box where several bats are hanging upside down. A CU of the bats wing as the scientist holds the wings out. Shot of a bat hanging upside down on a branch. Shots of bats flying around at night. Back in the lab, a bat is fed worms (maggots or meal worms. A baby bat is fed with a bottle. A bats ability to maneuver while flying is tested with a wooden obstacle course. The scientists blindfolds the bat and then tries the obstacle course again. The bats flying is shown in slow motions when he flies through the course.