Daimon and Ana Helstrom are the son and daughter of a mysterious and powerful serial killer. The siblings have a complicated dynamic as they track down the terrorizing worst of humanity — each with their attitude and skills.

The families on Christmas Street have been so busy with their day-to-day lives that they lose sight of the importance of family during the holiday season.

After discovering a bong capable of transporting them through space and time, two stoner cousins embark on an adventure that will bring them up close and personal with cavemen, the Salem witch trials and more.