For over a century the praying mantis has been considered by biologists as a prime example of sexual cannibalism. A thorough study of this insect over one hundred days of its life aims to dispel these myths. Unprecedented images were filmed of different stages in the life cycle of the mantis such as copulation, the laying and hatching of eggs, moulting and the complex intimidation ritual carried out when faced with a predator. But, as in every animal behaviour study the surprise will just come at the end.