The tree is decorated, the cookies are baked, and the packages are wrapped, but the biggest celebration this Christmas is Gaby Summerhill's wedding. Since her husband died three years ago, Gaby's four children have drifted apart, each consumed by the turbulence of their own lives. They haven't celebrated Christmas together since their father's death, but when Gaby announces that she's getting married, and that the groom will remain a secret until...

It's Christmas Eve and Detective Alex Cross is called away from his family to resolve a horrific hostage situation that is spiraling out of control.