Charlotte and Rory are best friends and for his 30th he goes travelling around the world. A year later, Charlotte visits a psychic who tells her she is destined to be with Rory when he gets home. Rory comes home…but engaged to Rachel – a girl he met travelling!. He asks Charlotte if she’ll be his ‘Best Woman’ to his wedding.

Zoe is a top photojournalist who has published successful coffee table books featuring her images of iconic places. Her publisher wants her next subject to be Yosemite, so she heads west despite not being sure she can do justice to the majesty of the landscape. While there, she meets Jack, an intriguing tour guide who opens her eyes to new possibilities as they take a journey together.