Aside from the mandatory opening mission, you can complete all the side quests, without even touching the main storyline. (playstationlifestyle.net)
«One of my old chefs, Sebastian, left the Firehouse to open Mission on Paradise Row in Bethnal Green. (timeout.com)
On opening a Mission Chinese Food in New York that closed — despite its many accolades — because of structural issues and a sanitary violation (npr.org)