Multilayered and very twisty. 
A few of the flashback scenes kind of took on the flavor of a spy thriller tv show, since each was neatly self contained, though this impression lifted a bit once the ties among the various subplots began to come into focus. The supporting characters needed more oomph. But the denouement was exciting, and yes, I admit it…I was wrong about the ultimate reveal. 

The most annoying issue was a serious lack of estrogen. Yes, the main character was a woman, but bar the nosy lawyer

…and a character portrayed as an irrational drunk…

nearly all the players and every member of Evie’s growing network is male.