As Kat and Bastian's inescapable hit single, "Marry Me," climbs the charts, they are about to be wed before an audience of their fans in a ceremony that will stream across multiple platforms.

When Zoe, a notable top-notch Chicago photojournalist, gets assigned by her publisher to photograph the Yosemite landscapes made famous by Ansel Adams, she meets and enlists the help of Jack, an ...