Fuller, Hoffs, Penhall & Ioki are staking out a suburban neighbourhood from a local home in hopes of stopping a string of burglaries. Hoffs is concerned about a neighbouring family.

Hanson, Hoffs and Ioki try to discover who is making synthetic heroin and experimenting on people with it. Also, Ioki tries to help a Chinese student deal with a spy trying to bring him home, and Hoffs fends off an unwanted suitor.