Joanna Bathory faces young rival Audie Zimmer in a warmup match that doesn't go as planned; Raph, her husband and coach, offers her an intriguing new way to hone her skills.

Joanna grows close to Elliot, the mysterious stranger inhabiting her new dreams; with his comforting guidance, she competes in the first tournament on her road to the Olympics, while keeping Raph in the dark about what's really going on.

With her dreams growing more addictive, Joanna finds a way to break the lock on the Halo so she can be with Elliot every night; her newfound bliss makes her a better fencer, until she has a rematch with Audie and old anxieties return.

Frustrated with her recent setback, Raph pressures Joanna to reduce her use of the Halo; Elliot urges Joanna to escape her husband's control.

Joanna's waking life turns into a nightmare as she faces the reality of what she's done and reality itself blurs with her dreams as Elliot asserts more control; she starts to train harder than ever, seeing a gold medal as her only path to redemption.

Joanna and Audie compete at the Paris Olympics, but Joanna remains wary of her former rival; Elliot unexpectedly reappears in Joanna's life.