Episode 4 of Gen V ended with a surprising cliffhanger that shocked fans. Marie and her other friends went to stop a rampaging Sam from killing Doctor Cardosa and his family, an event that caused Emma to reveal that she can also grow in size as well as shrink. But right when Sam had calmed down, Marie and everyone else mysteriously blacked out. At the end of Episode 4, Marie wakes up in an unknown bed with Jordan, who is in their female form.
Source:https://www.cbr.com/gen-v-marie-blackout-explained/