While knocking on doors... and... searching for clues, Cassie unexpectedly comes... face-to-face... with Ronald; Merilee makes a life-changing decision that puts both her and Rick's fates into her own hands.
Private detectives Cassie Dewell and Cody Hoyt join forces with his estranged wife and ex-cop, Jenny Hoyt, to search for two sisters who have been kidnapped by a truck driver on a remote highway in Montana. But when they discover that these are not the only girls who have disappeared in the area, they must race against the clock to stop the hugger before another woman is taken.