Marty Byrde races to protect Pastor Mason Young after the preacher puts up a cross on the church's foundation, a direct defiance of the local drug kingpins, Jacob and Darlene Snell. To save Mason, Marty offers to wash the Snells' drug money.
The episode's title refers to a "nest box"—a controlled environment for breeding—which mirrors how the Byrdes act as an "invasive species". They disrupt the lives of everyone they touch, leading to the metaphorical and literal destruction of local families and institutions. [S1E7] Nest Box
is the seventh episode of the first season of the Netflix series Ozark . It serves as a critical turning point where the Byrde family’s presence begins to have irreversible, destructive effects on the local community. Key Plot Developments Marty Byrde races to protect Pastor Mason Young