In order to keep a story moving, things need to happen a certain way.
Sometimes everything is carefully set up and orchestrated, so that events unfold in an organic, natural fashion.
Contrived Coincidence describes a highly improbable occurrence in a story which is required by the plot, but which has absolutely no outward justification — not so much as a character saying There Are No Coincidences.
The concept of "destiny" is glossed over altogether, and the events in question are simply disguised as mere happenstance.
In contrast, he argues that evolutionary arguments like those made by Stake are not relevant to property or other legal issues.
Finally, the essay focuses on possible improvements of legal drafting and law enforcement due to a better cognitive-behavioral knowledge of reactions to legal provisions, also by means of practical experiments. Recent scholarship has suggested that respect for possession may be an innate aspect of human behavior.
Remember though, that just because a work uses this trope is not an automatic black mark against it.
Even the greatest works out there sometimes need a great leap to get the plot to go in an interesting direction.
In cases where the coincidence is acknowledged, it's likely a Lampshade Hanging.
Unlikely coincidences are bound to happen once in a while.