Vivarium is a 2019 science fiction horror thriller film directed by Lorcan Finnegan, from a story by Finnegan and Garret Shanley. An international co-production between Ireland, Denmark and Belgium, it stars Imogen Poots and Jesse Eisenberg.

Why did Tom die in Vivarium?

Moreover, during the second half of the film, Tom obsesses over digging a hole in his garden and eventually ends up finding a dead body in it. Later, he, too, gets mysteriously poisoned by something and dies.

What was at the bottom of the hole in Vivarium?

Both Gemma and Tom have grown weaker, although Tom still digs his hole from morning until night. The boy starts disappearing every day and Gemma's attempts to follow him prove fruitless. Eventually, Tom's hole yields a discovery of a corpse in a body bag.