: Through flashbacks, the episode shows Rebecca's own experience with the app as she meets her "match," Matheus, in Tenerife to prove the technology works. The One – Season 1 Episode 2 Recap & Review

: Detective Kate, investigating the murder case, discovers that her own comatose match, Sophia, already has a wife named Valeria, highlighting the emotional fallout the app causes for existing relationships.

: This is the name of the "release group" responsible for encoding and distributing the file on the internet. The One Season 1, Episode 2 Summary

This episode deepens the moral and legal complexities of the DNA matchmaking app: