The final shots of the season 1 finale show Xavier boarding a small jet and opening the sealed doors that separate Paradise from the outside world. The engine hums and President Bradford’s notebook is in his hands as Xavier sets out to find his wife Teri, whom Sinatra revealed is still alive via a satellite radio recording.

The finale begins with a flashback to the construction of Paradise. The project manager who oversees the crew, Trent, is a good guy with a big heart who bonds with the workers. When he discovers the excavation is digging up arsenic dust, he brings it to the attention of the architect, who promptly fires Trent.

Paradise is one of those Hulu shows that keeps you guessing to the very end. The riveting first season of Dan Fogelberg's political thriller answered many lingering questions, including the central mystery that has carried the show since the pilot episode: Who killed President Cal Bradford (James Marsden)?

The finale of "Paradise" season one reveals who killed President Cal, but three unresolved plots are ripe for exploration in a second season.

During the season 1 finale of "Paradise," Xavier Collins (Sterling K. Brown) discovered who killed President Cal Bradford (James Marsden)