Mercury Retrograde (S04E05)

Stef, stuck on the ground, starts her first shift at the Whiskey Hatch and unexpectedly connects with a psychic regular. Over at the station, Crystal and Zay lock horns after a tough split-second call pushes them apart. Maya steps way over the line, leaving tension in her wake. And Hayley finally pieces everything together, stumbling onto the truth about Piper.