Grimsburg

Marvin and the team investigate the death of a morning TV host, in which former child star Lil' Betsy is the main suspect. In the process of the investigation, Marvin becomes consumed with his newfound celebrity status. With everyone rallying around Lil' Betsy, Marvin is determined to find her guilt

In an attempt to become immortal, Marvin drinks a special potion that causes rapid de-aging. Meanwhile, the department hires a new lieutenant.

On a day where murder seems to be on the low, the biggest of Marvin's problems is his missing danish. The quest for the sweet boysenberry danish leads to an explosive case no one saw coming.