Deputy Silas Tennant works for the Metahuman Control Division of the US Marshals. He just spent all weekend doing intensive training pushing his physical, mental, and metahuman abilities to their limits. He's sore, tired, and in desperate need of a shower.

But there's a new metahuman killer in Chicago. One who's literally ripping people's hearts from their chest. And since everyone else is busy, Silas' planned R and R will have to be put on hold.