Christmas Intruder. The Crime Thriller Series, #10

The cozy glow of Christmas lights fill the Leone home with warmth as Marcus and Marissa prepare to celebrate their favorite season together. But when a familiar face from Marcus' past appears at their door, their holiday season takes an unsettling turn. Down on his luck and seemingly harmless, Marcus feels compelled to extend a hand, only to find that this act of kindness quickly unravels into a chilling nightmare.
With each passing day, Marcus realizes that this man is not the man he remembers. Dark secrets from the stranger's past begin to emerge that send shivers down their spines. They must confront the possibility that their kindness could have dire consequences. As they struggle with the decision to shut this intruder out, they come to a harrowing realization: some doors are better left unopened.