Mac and Riley are called in to examine a mysterious object that crash-landed in the Nevada desert; Riley uncovers new information about Mac's father but questions whether to deliver it to him after he says he needs to move on.
After Fallon's declaration of professional and romantic independence, Jeff tries to reel her back in. Cristal struggles with Blake's unorthodox moral compass and finds herself in a gray area of her own.
The women agree to help Rio smuggle contraband; Ruby deals with a problematic family friend; Annie prepares for her visit with a social worker.