In spite of Barnes' warning to not get emotionally involved, a genuinely concerned Rico goes beyond the call of duty to search for an abused boy's real father; and although Valero and Williams fear the worst after seeing a white woman get into an SUV with four gang members, the outcome is certainly not what they expect.

A man takes his runaway granddaughter's fifth grade class hostage. Meanwhile, the fear that Rico and Barnes have about snakes is compounded when they have to capture a 20-foot python in an apartment hallway, and Layne learns a touching but sad fact about Jablonski's recent past