When Gabriel insists she is hiding something and calls for a sincere confession, Gamma tearfully reveals she killed her sister for Alpha.
Alpha soon stumbles into an abandoned gas station where Daryl is hiding, with the knife still in his leg; she starts making noise to attract the nearby walkers.
Daryl is able to defend himself against the oncoming walkers, but is forced to pull the knife out of his leg to kill the last one; in doing so, he begins to lose massive amounts of blood.
Unable to receive a response, Gabriel assigns Rosita and Laura to secure the gates with a support group while he and others head out on a recon mission.
On the road, Gabriel and his scout team find that the soldiers from the surveillance post have been murdered, and realize the Whisperers forced them to give false information about the horde so they would leave Alexandria and weaken the inner defense.
Rosita appears and clashes with Beta; she manages to hurt him, but he gains control of the fight and slams her on the ground.
The site's critical consensus reads: "Fueled by a thrillingly brutal confrontation between Daryl and Alpha, 'Stalker' showcases a nerve-wracking flashpoint that brings the tensions of the incoming Whisperer War to a simmering boil.
He also positively commented on Ryan Hurst as Beta, stating that he "does a brilliant job of simply lurking in the background of scenes like a true Michael Myers type".
[5] Writing for Vulture, Richard Rys praised fight scene between Daryl and Alpha, stating that "the brawl that ensues does not disappoint".
He concluded by writing that the episode "treated us to some strong character moments from Daryl, Beta, and Gabriel, but boil it down to its rudiments, and little has really changed in the dynamics of the Whisperer war at large".