A mentally unbalanced woman poses as a cop and performs heroic acts, lowlife Julian Pisano demands a reward before he'll ID the murderer of two young men at a taco stand, and Sipowicz tracks down the crook who is embezzling from the moneyed eccentric Mrs. Hornby.

A murder investigation leads Sipowicz and Clark to a deranged woman who is having an incestuous relationship with her teenaged son, Ortiz and McDowell investigate the death of a child killed by a stray bullet, Connie and Andy take Theo out to the movies, and PAA John gets Andy's advice when considering a trip to Africa with his boyfriend.