Much of Kyle's back story is discussed in the previous book (A Lot Like Love). Rylann was a new character. I missed having the suspense element in this one. Kyle was repentant for what he did, but being rich and having a very supportive family helped too. I admit to being unsure of their relationship: ex-con (yes for a non-violent and non-drug related offense) and an assistant DA. It only worked because Kyle made amends with Twitter (don't worry he got something from it, it wasn't him just being nice) and will not re-offend.
I did like the glimpses at Cameron and Jack; Jordan and Nick and seeing where they are at in their relationships.