[1] Ben Layten, a recent divorcee, leads a miserable, jobless life.

After several suicide attempts, he ends up befriending his sarcastic, yet helpful neighbor Tabby Song.

While constructing how his life fell apart through quantum entanglement, Ben learns that he almost had an adoptive sister.

Feeling that this is the key to his happiness he sets out to find her only to learn that it is a woman he met earlier named Hanna Weathers.

The website's critical consensus reads, "Entanglement proves there's still room for charmingly quirky romantic comedies -- even if it flirts with a number of ingredients that typically lead to cutesy disaster.