The Better Mother by Emily Shiner

Zoe and Ethan are happily married. Then 13-year-old Micah shows up saying Ethan is his father. His mother is missing and he’s come for help.
As he stays with them, they realize there’s something off about Micah.
And when his mother’s body is found and the police start looking for the murderer, Zoe realizes he might already be in her home.

Category: Thrillers – Psychological