The Great Lenore

The Great Lenore is a novel by J.M. Toline.
Lenore was a young girl who had been orphaned at 17. She lived in England with her Grandpa.She met a young man from Colorado named Jez. They became very close and  Lenore went to Harvard. Jez took a job working for Mr Montana and they started drifting apart. Lenore met Maxwell Montana and Max fell in love with her but never let on. Lenore met and married Maxwell's brother Chas. They had only been married a few months when troubles started and Lenore realized Chas was cheating on her.
Lenore contacted Jez and planned to fly over to spend time with him but she forgot something in the car and missed her flight. The plane crashed and all think she is dead.
Richard is staying at a friend place and it happens to be next door to the Montana's.
The whole story was very difficult to follow and outside of everyone loving Lenore and drinking and smoking pot there wasn't much going on.