SOULM8TE is an erotic thriller that extends the M3GAN narrative with a story centring on a bereaved man's growing relationship with an artificially constructed female companion. During a podcast discussion, lead actors Lily Sullivan and David Rysdahl explored how the film examines grief, isolation, and reliance on technology, focusing particularly on humanity's readiness to permit artificial intelligence into intimate emotional roles rather than on the capabilities of the technology itself.

Sullivan crafted her character by studying constructed femininity and collaborating with a movement coach to establish deliberately artificial physical gestures that remained visibly synthetic rather than imperceptibly human. Rysdahl interpreted his character's escalating dependence on the AI as comparable to contemporary technological addictions involving mobile devices, algorithmic content, and social platforms, opting to perform without moral condemnation of the character to allow audiences to draw their own judgements.