Watch What Lies Under the Tree (2023) : Full Movie Online Free A psychological Christmas Thriller that drags us through the mind of an obsessed stalker. Leon Parker, his wife Aja and their son, Sevyn, prepare to have an amazing first Christmas in their new home. The Couple’s Christmas spirit is broken by Christina Parker, who forces herself into their world, searching for her missing husband and son. The stalking ends fatally when she is murdered by Aja after breaking into their home but that’s when the mystery begins. The Couple is desperate to find out who Christina really is when a spa receipt surfaces and the truth is revealed.