Lily and Richard move to a luxurious and cult-like community, where Lily becomes unsettled by the transformation she observes in her older husband and in her own physiology, leading her to wonder if there's something more sinister at play.

In this slow-burn social thriller, The Amaranth is an isolated, luxury retirement village where the privileged and powerful live out their twilight years with amazing vitality. Here is where wealthy industrialist Richard Kendrick and his younger wife, Lily, move after he suffers a debilitating stroke. But while Richard is rejuvenated, thriving in the cultish atmosphere, Lily is disturbed by the transformations she observes in her spouse, then shocked by changes in her own physiology, prompting her to probe into the dark underbelly of this beautiful but menacing Shangri La.—Eileen Shields

After a debilitating stroke to Lily's older husband Richard, the couple move to The Amaranth, an isolated and luxurious retirement community, where the wealthy live with surprising vitality. Lily becomes unsettled by the transformations she observes in her husband and also in herself leading her to wonder if there's something more sinister at play.